A131913 - OEIS

This site is supported by donations to The OEIS Foundation.

A131913

A131913 = A065941 * (1, 2, 3,...).

1, 3, 6, 13, 25, 48, 89, 163, 294, 525 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`Equals A010049(n) + A001629(n+2) and A055244(n) + A001629(n-1).`
	EXAMPLE	`a(4) = 25 = (1, 1, 3, 2, 1) dot (1, 2, 3, 4, 5) = (1 + 2 + 9 + 8 + 5), where (1, 1, 3, 2, 1) = row 4 of triangle A065941.` `a(4) = 25 = A010049(4) + A001629(6) = 5 + 20.` `a(5) = 48 = A055244(6) + A001619(4) = 43 + 5.`
	CROSSREFS	`Cf. A065941, A010049, A001629, A005244.` `Sequence in context: A047183 A047194 A048039 * A182808 A005406 A005407` `Adjacent sequences: A131910 A131911 A131912 * A131914 A131915 A131916`
	KEYWORD	`nonn`
	AUTHOR	`Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 27 2007`

Content is available under The OEIS End-User License Agreement .

Last modified February 14 21:50 EST 2012. Contains 205663 sequences.