A030279 - OEIS

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A030279

COMPOSE squares with squares.

1, 8, 50, 276, 1397, 6672, 30565, 135668, 587426, 2493056, 10407393, 42848800, 174348417, 702245128, 2803634370, 11106624804, 43697519013, 170871040752, 664492915061, 2571316718500, 9905232077842 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`N. J. A. Sloane, Transforms`
	FORMULA	`G.f.: [(1-x)^3(1+x)(1-2x+4x^2-x^3)]/[(1-4x+2x^2-x^3)^3].`
	CROSSREFS	`Sequence in context: A133426 A163228 A033463 * A133357 A081675 A081180` `Adjacent sequences: A030276 A030277 A030278 * A030280 A030281 A030282`
	KEYWORD	`nonn,nice`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net)`

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.