A155924 Palindromic primes of form n^2+n+41.

131, 151, 313, 383, 797, 3288823, 7493947, 312989213, 79091719097, 1884468644881, 191259232952191, 13388297179288331, 3101199511159911013, 327274601898106472723, 1208438177787877718348021, 301692965738393837569296103

Offset

1,1

Comments

Corresponding n's are: 9,10,16,18,27,1813,2737,17691,281232,1372759.

a(17) > 10^28. - Donovan Johnson, Oct 11 2011

Links

Table of n, a(n) for n=1..16.

Crossrefs

Cf. A002385 Palindromic primes: prime numbers whose decimal expansion is a palindrome, A005846 Primes of form n^2+n+41.

Sequence in context: A134951 A173071 A164294 * A270237 A090264 A345520

Adjacent sequences: A155921 A155922 A155923 * A155925 A155926 A155927

Keyword

base,more,nonn

Author

Zak Seidov, Jan 30 2009

Extensions

a(11)-a(12) from Donovan Johnson, Feb 01 2009

a(13)-a(14) from Donovan Johnson, Jun 23 2010

a(15)-a(16) from Donovan Johnson, Oct 11 2011

Status

approved