|
| |
|
|
A078179
|
|
Primes of the form n^k + n - 1, where k>=2 is minimal.
|
|
3
|
|
|
|
5, 11, 19, 29, 41, 349, 71, 89, 109, 131, 20747, 181, 2177953337809371149, 239, 271, 83537, 5849, 379, 419, 461, 2494357909, 279863, 599, 15649, 701, 19709, 811, 420707233300229, 929, 991
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
2,1
|
|
|
COMMENTS
|
a(n) = n^A078178(n) + n - 1.
|
|
|
LINKS
|
Reinhard Zumkeller, Table of n, a(n) for n = 2..100
|
|
|
EXAMPLE
|
349=A000040(70)=7^3+7-1 and 7^2+7-1=5*11, therefore a(7)=349.
|
|
|
PROG
|
(Haskell)
a078179 n = n ^ (a078178 n) + n - 1 -- Reinhard Zumkeller, Jul 16 2014
|
|
|
CROSSREFS
|
Cf. A078178, A076846.
Cf. A010051, A002327.
Sequence in context: A073847 A024833 A002327 * A045451 A338566 A352795
Adjacent sequences: A078176 A078177 A078178 * A078180 A078181 A078182
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Reinhard Zumkeller, Nov 20 2002
|
|
|
EXTENSIONS
|
More terms from Benoit Cloitre, Nov 20 2002
Offset corrected by Reinhard Zumkeller, Jul 16 2014
|
|
|
STATUS
|
approved
|
| |
|
|
