id:A014144 - OEIS Search Results

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Apply partial sum operator twice to factorials.

+0
3

0, 1, 3, 7, 17, 51, 205, 1079, 6993, 53227, 462341, 4500255, 48454969, 571411283, 7321388397, 101249656711, 1502852293025, 23827244817339, 401839065437653, 7182224591785967, 135607710526966281 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Equals row sums of triangle A137948 starting with offset 1. - Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 28 2008`
	LINKS	`Alexsandar Petojevic, The Function vM_m(s; a; z) and Some Well-Known Sequences, Journal of Integer Sequences, Vol. 5 (2002), Article 02.1.7` `Index entries for sequences related to factorial numbers`
	FORMULA	`a(n) = (n-1) * !n - n! + 1, !n = sum[ k=0..n-1 ] k! - Joe Keane (jgk(AT)jgk.org)`
	CROSSREFS	`Cf. A000142, A003422.` `Cf. A137948.` `Sequence in context: A113985 A071985 A090977 this_sequence A096358 A079634 A047981` `Adjacent sequences: A014141 A014142 A014143 this_sequence A014145 A014146 A014147`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

AT&T Labs Research