id:A081590 - OEIS Search Results

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Fourth row of Pascal-(1,5,1) array A081580.

+0
3

1, 19, 145, 595, 1585, 3331, 6049, 9955, 15265, 22195, 30961, 41779, 54865, 70435, 88705, 109891, 134209, 161875, 193105, 228115, 267121, 310339, 357985, 410275, 467425, 529651, 597169, 670195, 748945, 833635, 924481, 1021699, 1125505 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=1+36n-54n^2+36n^3. G.f. (1+5x)^3/(1-x)^4.`
	CROSSREFS	`Cf. A081589.` `Sequence in context: A110694 A107962 A002615 this_sequence A093646 A069423 A162872` `Adjacent sequences: A081587 A081588 A081589 this_sequence A081591 A081592 A081593`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 23 2003`

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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.

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