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Search: id:A155815
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A155815 Primes of form: n^4+2*n^3+36*n^2+35*n+23 +0
1
23, 97, 269, 587, 1123, 1973, 3257, 5119, 7727, 11273, 15973, 22067, 29819, 51473, 104369, 191123, 229637, 687787, 897473, 1018807, 1152119 (list; graph; listen)
OFFSET

1,1

COMMENT

For all 0<=n<13, n^4+2*n^3+36*n^2+35*n+23 is a prime

FORMULA

a(n)=n^4+2*n^3+36*n^2+35*n+23

EXAMPLE

For n=0, a(0)=23; n=1, a(1)=97; n=2, a(2)=269; n=3, a(3)=587; n=4, a(4)=1123

CROSSREFS

Sequence in context: A042032 A158544 A154376 this_sequence A142132 A140375 A142173

Adjacent sequences: A155812 A155813 A155814 this_sequence A155816 A155817 A155818

KEYWORD

nonn

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 28 2009

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


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