A152895 - OEIS

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A152895

Partial sums of A152891.

0, 2, 11, 40, 123, 349, 951, 2539, 6710, 17645, 46290, 121302, 317706, 831920, 2178173, 5702734, 14930181, 39087979, 102333945, 267914065, 701408480, 1836311627, 4807526676, 12586268700, 32951279748, 86267570894, 225851433311 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`Table of n, a(n) for n=1..27.`
	FORMULA	`G.f.: x^2(2-x)/((1-3x+x^2)(1-x)^3). a(n)=A001906(n+1)-A000217(n+1). [From R. J. Mathar, Jan 08 2009]`
	MATHEMATICA	`lst={}; a=b=s=0; Do[b+=n+a; a+=n+b; s+=a; AppendTo[lst, s], {n, 0, 2*4!}]; lst`
	CROSSREFS	`Cf. A152891` `Sequence in context: A125064 A055329 A193005 * A176621 A000822 A154813` `Adjacent sequences: A152892 A152893 A152894 * A152896 A152897 A152898`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Joseph Stephan Orlovsky, Dec 14 2008`
	STATUS	`approved`

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Last modified May 24 19:33 EDT 2013. Contains 225630 sequences.