

A179923


Primes of the form (n^2)*(n+1)^2 + 1.


1



5, 37, 401, 3137, 8101, 12101, 24337, 44101, 57601, 93637, 176401, 864901, 1976837, 2689601, 3920401, 6502501, 10929637, 13395601, 27625537, 30802501, 32490001, 36072037, 41990401, 46321637, 58614337, 83174401, 98010001, 110376037
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OFFSET

1,1


COMMENTS

a(n) is also one added to the square of a pronic number.


LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000


PROG

(PARI) for(n=1, 1e4, if(ispseudoprime(t=n^4+2*n^3+n^2+1), print1(t", "))); v \\ Charles R Greathouse IV, Feb 18 2011


CROSSREFS

Sequence in context: A258378 A273954 A092649 * A190628 A209671 A173796
Adjacent sequences: A179920 A179921 A179922 * A179924 A179925 A179926


KEYWORD

easy,nonn


AUTHOR

Kevin Batista (kevin762401(AT)yahoo.com), Aug 01 2010


EXTENSIONS

57601 inserted by R. J. Mathar, Aug 03 2010


STATUS

approved



