id:A011858 - OEIS Search Results

Search: id:A011858

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[ n(n-1)/5 ].

+0
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0, 0, 0, 1, 2, 4, 6, 8, 11, 14, 18, 22, 26, 31, 36, 42, 48, 54, 61, 68, 76, 84, 92, 101, 110, 120, 130, 140, 151, 162, 174, 186, 198, 211, 224, 238, 252, 266, 281, 296, 312, 328, 344, 361, 378, 396, 414, 432, 451 (list; graph; listen)

	OFFSET	`0,5`
	CROSSREFS	`Sequence in context: A060655 A117490 A032514 this_sequence A084627 A039823 A079972` `Adjacent sequences: A011855 A011856 A011857 this_sequence A011859 A011860 A011861`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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