id:A032309 - OEIS Search Results

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"EFK" (unordered, size, unlabeled) transform of 2,4,6,8,...

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2, 4, 14, 20, 50, 112, 190, 328, 666, 1340, 2038, 3740, 5954, 10792, 19542, 30048, 48290, 80164, 124694, 204484, 347610, 515184, 810750, 1240296, 1932722, 2887820, 4557838, 7126652, 10463330, 15768168, 23499934 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`C. G. Bower, Transforms (2)`
	FORMULA	`G.f.: prod(k=1..inf) (1+2kx^k).`
	CROSSREFS	`Sequence in context: A054600 A077570 A032398 this_sequence A008519 A071865 A127596` `Adjacent sequences: A032306 A032307 A032308 this_sequence A032310 A032311 A032312`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net)`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

AT&T Labs Research