id:A023533 - OEIS Search Results

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a(n) = 1 if n of form m(m+1)(m+2)/6, otherwise 0.

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

	OFFSET	`0,1`
	COMMENT	`a(A000292(n))=1; a(A145397(n))=0; a(n)=1-A014306(n). [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 14 2008]`
	LINKS	`Index entries for characteristic functions`
	CROSSREFS	`Sequence in context: A113047 A127692 A014305 this_sequence A010052 A039985 A127239` `Adjacent sequences: A023530 A023531 A023532 this_sequence A023534 A023535 A023536`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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