id:A057953 - OEIS Search Results

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Number of prime factors of 8^n - 1 (counted with multiplicity).

+0
3

1, 3, 2, 5, 3, 6, 4, 7, 3, 7, 4, 10, 4, 8, 6, 10, 5, 9, 4, 13, 7, 9, 4, 14, 7, 8, 6, 14, 6, 13, 3, 13, 8, 11, 11, 15, 6, 9, 9, 17, 5, 14, 5, 15, 10, 9, 6, 19, 7, 14, 8, 18, 8, 16, 10, 19, 7, 11, 6, 24, 5, 8, 10, 16, 8, 17, 6, 20, 9, 22, 7, 21, 7, 13, 14, 17, 10, 16, 8, 23, 10, 12, 5, 24 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`S. S. Wagstaff, Jr., Main Tables from the Cunningham Project.` `S. S. Wagstaff, Jr., The Cunningham Project`
	FORMULA	`Mobius transform of A085033 - T. D. Noe (noe(AT)sspectra.com), Jun 19 2003`
	CROSSREFS	`Cf. A057951-A057958, A046051.` `Cf. A085033.` `Sequence in context: A143309 A155981 A057958 this_sequence A129231 A166477 A124332` `Adjacent sequences: A057950 A057951 A057952 this_sequence A057954 A057955 A057956`
	KEYWORD	`nonn`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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