id:A091283 - OEIS Search Results

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Exponent of 2 in -1+prime[n]^s, if s is an exponent of the form s=8k-4.

+0
2

0, 4, 4, 5, 4, 4, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 4, 4, 4, 5, 5, 6, 4, 5, 7, 4, 5, 4, 4, 6, 9, 4, 5, 4, 4, 5, 4, 4, 5, 4, 4, 4, 8, 8, 4, 5, 4, 7, 4, 4, 5, 6, 6, 4, 10, 5, 4, 6, 4, 5, 4, 4, 4, 5, 5, 4, 4, 6, 4, 4, 7, 5, 6, 4, 4, 9, 4, 4, 6, 5, 4, 4, 6, 6, 5, 4, 8, 5, 4, 6, 4, 7, 5, 4, 4, 5, 4, 5, 4, 4, 4, 4, 4, 5, 4 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`Table[{8k-4, Table[Part[Flatten[FactorInteger [ -1+Prime[n]^(8k-4)]], 2], {n, 2, m}]}, {k, 1, 2}]`
	CROSSREFS	`Cf. A091282, A090739, A090740, A090129, A023506.` `Adjacent sequences: A091280 A091281 A091282 this_sequence A091284 A091285 A091286` `Sequence in context: A011333 A016709 A023403 this_sequence A046566 A046593 A080800`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jan 22 2004`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

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