id:A077655 - OEIS Search Results

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Number of consecutive successors of n having the same number of prime factors as n (counted with multiplicity).

+0
3

0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 (list; graph; listen)

	OFFSET	`1,33`
	COMMENT	`If a(n)>0 then a(n+1)=a(n)-1.`
	EXAMPLE	`33=311 has only two successors also with two factors: 34=217 and 35=57 (whereas 33+3=36=2233), therefore a(33)=2.`
	CROSSREFS	`Cf. A001222, A077656, A045920, A045939, A045940, A045941, A045942, A077657.` `Sequence in context: A073797 A037856 A037874 this_sequence A117886 A145723 A085977` `Adjacent sequences: A077652 A077653 A077654 this_sequence A077656 A077657 A077658`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 13 2002`

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

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