

A155924


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


1



131, 151, 313, 383, 797, 3288823, 7493947, 312989213, 79091719097, 1884468644881, 191259232952191, 13388297179288331, 3101199511159911013, 327274601898106472723, 1208438177787877718348021, 301692965738393837569296103
(list;
graph;
refs;
listen;
history;
text;
internal format)



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 A132254
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



