id:A013621 - OEIS Search Results

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Triangle of coefficients in expansion of (2+5x)^n.

+0
2

1, 2, 5, 4, 20, 25, 8, 60, 150, 125, 16, 160, 600, 1000, 625, 32, 400, 2000, 5000, 6250, 3125, 64, 960, 6000, 20000, 37500, 37500, 15625, 128, 2240, 16800, 70000, 175000, 262500, 218750, 78125, 256, 5120, 44800, 224000, 700000, 1400000 (list; table; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.: 1 / [1 - x(2+5y)].`
	CROSSREFS	`Adjacent sequences: A013618 A013619 A013620 this_sequence A013622 A013623 A013624` `Sequence in context: A093727 A065160 A019152 this_sequence A107732 A111364 A128202`
	KEYWORD	`tabl,nonn,easy`
	AUTHOR	`njas`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research