id:A065549 - OEIS Search Results

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a(1) = 1; for n > 1, a(n) = 2^((A000043(n)-1)/2).

+0
2

2, 4, 8, 64, 256, 512, 32768, 1073741824, 17592186044416, 9007199254740992, 9223372036854775808, 1852673427797059126777135760139006525652319754650249024631321344126610074238976 (list; graph; listen)

	OFFSET	`2,1`
	EXAMPLE	`Proper subset of A065405.`
	CROSSREFS	`Cf. A000043, A065403-A065405` `Sequence in context: A018482 A036447 A069027 this_sequence A067507 A068994 A167182` `Adjacent sequences: A065546 A065547 A065548 this_sequence A065550 A065551 A065552`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Nov 13 2001`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research