A264824 Centered 17-gonal (or heptadecagonal) primes.

103, 613, 1123, 1327, 3571, 5101, 6427, 10711, 16831, 19993, 22543, 30091, 34273, 39883, 59263, 72727, 77521, 79153, 92821, 98227, 105673, 115363, 129643, 146983, 156061, 177481, 197677, 238477, 241333, 264793, 311713, 324871, 341701, 428401, 487561, 503983, 524893

Offset

1,1

Comments

Primes of the form (17*k^2 - 17*k + 2)/2.

Links

Table of n, a(n) for n=1..37.

OEIS Wiki, Figurate numbers

Eric Weisstein's World of Mathematics, Centered Polygonal Number

Eric Weisstein's World of Mathematics, Prime Number

Prog

(PARI) for(n=1, 1e3, if(isprime(k=(17*n^2-17*n+2)/2), print1(k, ", "))) \\ Altug Alkan, Nov 26 2015

Crossrefs

Cf. A069130, A000040.

Sequence in context: A142771 A082883 A191357 * A237611 A077405 A262758

Adjacent sequences: A264821 A264822 A264823 * A264825 A264826 A264827

Keyword

nonn

Author

Ilya Gutkovskiy, Nov 26 2015

Status

approved