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Search: id:A051739
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A051739 Primes of the form (n!)^2+1. +0
4
2, 5, 37, 577, 14401, 131681894401, 13168189440001, 1593350922240001, 38775788043632640001, 384956219213331276939737002152967117209600000001 (list; graph; listen)
OFFSET

1,1

EXAMPLE

37 is a term because it is prime and is of the form (3!)^2 + 1.

MATHEMATICA

lst={}; Do[s=n!^2; If[PrimeQ[p=s+1], AppendTo[lst, p]], {n, 5!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 27 2008]

CROSSREFS

Cf. A046029. Primes in A020549.

Sequence in context: A099657 A107633 A041959 this_sequence A084436 A053609 A036780

Adjacent sequences: A051736 A051737 A051738 this_sequence A051740 A051741 A051742

KEYWORD

nonn

AUTHOR

G. L. Honaker, Jr. (honak3r(AT)gmail.com), Dec 06 1999

EXTENSIONS

More terms from James A. Sellers (sellersj(AT)math.psu.edu), Dec 08 1999

The next term is too large to include.

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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