id:A115520 - OEIS Search Results

Search: id:A115520

Displaying 1-1 of 1 results found.

page 1

Number of ordered triples (i,j,k) in range [0..n] satisfying i == j mod 2 and j == k mod 3.

+0
2

1, 2, 5, 12, 23, 36, 61, 88, 123, 170, 227, 288, 373, 462, 565, 688, 827, 972, 1153, 1340, 1547, 1782, 2039, 2304, 2617, 2938, 3285, 3668, 4079, 4500, 4981, 5472, 5995, 6562, 7163, 7776, 8461, 9158, 9893, 10680, 11507, 12348, 13273, 14212, 15195, 16238, 17327, 18432, 19633 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = binomial(n+1,3) - linear (PORC) correction term which depends on n mod 6.`
	CROSSREFS	`Cf. A115523.` `Sequence in context: A123647 A116711 A109653 this_sequence A116735 A096376 A112287` `Adjacent sequences: A115517 A115518 A115519 this_sequence A115521 A115522 A115523`
	KEYWORD	`nonn`
	AUTHOR	`njas and Vinay Vaishampayan (vinay(AT)research.att.com), Mar 09 2006`

page 1

Search completed in 0.002 seconds

Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

AT&T Labs Research