id:A011865 - OEIS Search Results

Search: id:A011865

Displaying 1-1 of 1 results found.

page 1

[ n(n-1)/12 ].

+0
4

0, 0, 0, 0, 1, 1, 2, 3, 4, 6, 7, 9, 11, 13, 15, 17, 20, 22, 25, 28, 31, 35, 38, 42, 46, 50, 54, 58, 63, 67, 72, 77, 82, 88, 93, 99, 105, 111, 117, 123, 130, 136, 143, 150, 157, 165, 172, 180, 188, 196, 204, 212, 221 (list; graph; listen)

	OFFSET	`0,7`
	MAPLE	`seq(floor(binomial(n-1, 2)/6), n=1..53); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 12 2009]` `seq(floor(binomial(n-1, 2)/6) , n=1..53); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 12 2009]`
	CROSSREFS	`Sequence in context: A160138 A062413 A064313 this_sequence A085680 A047872 A015851` `Adjacent sequences: A011862 A011863 A011864 this_sequence A011866 A011867 A011868`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

page 1

Search completed in 0.002 seconds

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research