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A105843 Numbers n such that n^2 = 37*(k^2) + 37*k +1. 1
1, 149, 295, 21755, 43069, 3176081, 6287779, 463686071, 917972665, 67694990285, 134017721311 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

Define a(1)=1, a(2)=149, a(3)=146*a(1)+a(2), a(4)=146*a(2)+a(1), then a(n)=146*a(n-2)-a(n-4)

CROSSREFS

Cf. A105844.

Sequence in context: A127592 A107176 A140023 * A131573 A146137 A071331

Adjacent sequences:  A105840 A105841 A105842 * A105844 A105845 A105846

KEYWORD

nonn

AUTHOR

Pierre CAMI (pierre-cami(AT)bbox.fr), Apr 22 2005

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Last modified February 17 18:15 EST 2012. Contains 206061 sequences.