A001842 - OEIS

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A001842

Expansion of Sum x^(4n+3)/(1-x^(4n+3)), n=0..inf.

0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 2, 0, 0, 1, 1, 0, 2, 1, 1, 1, 0, 0, 2, 1, 0, 2, 1, 0, 2, 0, 2, 1, 0, 1, 2, 0, 0, 2, 1, 1, 2, 1, 1, 1, 1, 0, 2, 0, 0, 2, 2, 1, 2, 0, 1, 2, 0, 1, 3, 0, 0, 2, 1, 0, 2, 2, 1, 1, 0, 0, 3, 1, 2, 2, 1, 0, 2, 0, 1, 2, 0, 1, 2, 1, 0, 2, 2, 1, 2, 1, 2, 1, 0, 1, 3, 0, 0, 2, 1, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,16`
	COMMENTS	`Number of divisors of n of form 4*k+3: a(n)=A001227(n)-A001826(n). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 18 2006`
	LINKS	`Michael Gilleland, Some Self-Similar Integer Sequences`
	FORMULA	`a(A072437(n))=0. - Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 24 2003`
	CROSSREFS	`Sequence in context: A161369 A151843 A147696 * A029429 A064559 A067255` `Adjacent sequences: A001839 A001840 A001841 * A001843 A001844 A001845`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 13 08:12 EST 2012. Contains 205451 sequences.