id:A116383 - OEIS Search Results

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Row sums of number triangle A116382.

+0
4

1, 1, 4, 6, 19, 33, 93, 175, 460, 910, 2286, 4676, 11388, 23842, 56808, 120926, 283611, 611065, 1416625, 3079635, 7078263, 15490553, 35374519, 77805481, 176813809, 390379483, 883861033, 1957097715, 4418562265, 9805546875, 22090136885 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Binomial transform is A116387.`
	FORMULA	`G.f.: (1+x-4x^2)/(2(1-5x^2)sqrt(1-4x^2))+(1+x)/(2(1-5x^2)); a(n)=sum{k=0..n, sum{j=0..n, (-1)^(n-j)C(n,j)sum{i=0..j, C(j,i-k)C(i,j-i)}}}.`
	CROSSREFS	`Sequence in context: A024697 A024874 A095383 this_sequence A026521 A006534 A064035` `Adjacent sequences: A116380 A116381 A116382 this_sequence A116384 A116385 A116386`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Feb 12 2006`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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