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Search: id:A104651
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A104651 Numbers n such that n^2 = 29*k^2 + 29*k +1, k sequence = A104652. +0
2
1, 175, 16589, 36191, 3430525, 325177579, 709415981, 67245150875, 6374130886969 (list; graph; listen)
OFFSET

1,2

FORMULA

define a(1)=1, a(2)=175, a(3)=16589, a(4)=19602*a(1)+a(3), a(5)=19602*a(2)+a(2), a(6)=19602*a(3)+a(1), then a(n)=19602*a(n-3)-a(n-6)

CROSSREFS

Cf. A104652.

Sequence in context: A015806 A109836 A056935 this_sequence A136603 A114824 A063344

Adjacent sequences: A104648 A104649 A104650 this_sequence A104652 A104653 A104654

KEYWORD

nonn

AUTHOR

Pierre CAMI (pierrecami(AT)tele2.fr), Apr 22 2005

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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