id:A007801 - OEIS Search Results

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Expansion of f(f(x)), where f = x + x^2 + x^4 + x^8 + x^16 + ...

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1, 2, 2, 3, 6, 8, 8, 16, 22, 40, 80, 146, 240, 356, 488, 661, 870, 1184, 1936, 3750, 7976, 17628, 37528, 74828, 140480, 249444, 420392, 678432, 1056600, 1593512, 2334928, 3337410, 4660246, 6364080, 8527984, 11258182, 14753032, 19622940, 27836440 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A106369 A032062 A011141 this_sequence A077871 A035587 A039870` `Adjacent sequences: A007798 A007799 A007800 this_sequence A007802 A007803 A007804`
	KEYWORD	`nonn`
	AUTHOR	`Jeffrey Shallit (shallit(AT)graceland.uwaterloo.ca)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research