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A133325 Numbers such that 2*X^2-82 is a square. 0
7, 13, 29, 71, 167, 413, 973, 2407, 5671, 14029, 33053, 81767, 192647 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

The bisections modulo 2 satisfy the same recurrence relation a(n+2)=6*a(n+1)-a(n)

G.f.: -x*(x-1)*(7*x^2+20*x+7)/(x^2+2*x-1)/(x^2-2*x-1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 14 2007

CROSSREFS

Sequence in context: A082221 A182624 A096333 * A063583 A065764 A073473

Adjacent sequences:  A133322 A133323 A133324 * A133326 A133327 A133328

KEYWORD

nonn

AUTHOR

R. Choulet (richardchoulet(AT)yahoo.fr), Oct 18 2007

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Last modified February 16 10:53 EST 2012. Contains 205904 sequences.