id:A116212 - OEIS Search Results

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a(n) = A116137(n) - A116137(n-1). {a(k)} also is the concatenation of the positive divisors of the terms of A116137.

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1, 1, 2, 1, 3, 1, 5, 1, 2, 3, 6, 1, 3, 9, 1, 2, 5, 10, 1, 3, 5, 15, 1, 2, 4, 8, 16, 1, 2, 3, 6, 9, 18, 1, 3, 7, 21, 1, 3, 9, 27, 1, 2, 4, 7, 14, 28, 1, 31, 1, 2, 4, 5, 8, 10, 20, 40, 1, 41, 1, 43, 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1, 2, 29, 58, 1, 59, 1, 2, 31, 62, 1, 67, 1, 2, 41, 82, 1, 83, 1, 5 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`Sequence A116137 begins 1,2,3,5,6,9,... So {a(k)} begins:` `1; 1,2; 1,3; 1,5; 1,2,3,6; 1,3,9;...`
	CROSSREFS	`Cf. A116137.` `Adjacent sequences: A116209 A116210 A116211 this_sequence A116213 A116214 A116215` `Sequence in context: A069230 A101387 A117365 this_sequence A079068 A133021 A131208`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet (qq-quet(AT)mindspring.com), Apr 16 2007`
	EXTENSIONS	`More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 30 2008`

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Last modified October 13 17:46 EDT 2008. Contains 145008 sequences.

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