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A061237
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Prime numbers == 1 (mod 9).
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18
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19, 37, 73, 109, 127, 163, 181, 199, 271, 307, 379, 397, 433, 487, 523, 541, 577, 613, 631, 739, 757, 811, 829, 883, 919, 937, 991, 1009, 1063, 1117, 1153, 1171, 1279, 1297, 1423, 1459, 1531, 1549, 1567, 1621, 1657, 1693, 1747, 1783, 1801, 1873, 1999
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history;
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internal format)
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OFFSET
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1,1
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COMMENTS
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A010888(a(n)) = 1. - Reinhard Zumkeller, Feb 25 2005
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LINKS
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Harry J. Smith, Table of n, a(n) for n = 1..2000
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MATHEMATICA
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Select[ Range[ 2000 ], PrimeQ[ # ] && Mod[ #, 9 ] == 1 & ]
Select[Prime[Range[350]], Mod[#, 9]==1&] (* Harvey P. Dale, Jan 06 2013 *)
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PROG
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(PARI) { n=0; forprime (p=2, 128467, if (p%9 == 1, write("b061237.txt", n++, " ", p)) ) } [From Harry J. Smith, Jul 19 2009]
[ p: p in PrimesUpTo(2000) | p mod 9 in {1} ]; \\ Vincenzo Librandi, Dec 25 2010
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CROSSREFS
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Cf. A061238-A061242.
Sequence in context: A043144 A043924 A211821 * A158293 A107579 A245381
Adjacent sequences: A061234 A061235 A061236 * A061238 A061239 A061240
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KEYWORD
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nonn,easy
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AUTHOR
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Amarnath Murthy, Apr 23 2001
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EXTENSIONS
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More terms from Robert G. Wilson v, May 10 2001
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STATUS
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approved
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