id:A107028 - OEIS Search Results

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Row sums of number triangle A107027.

+0
3

1, 3, 5, 9, 19, 49, 155, 591, 2651, 13689, 80009, 522193, 3762273, 29629483, 252966249, 2325176147, 22874076091, 239615657133, 2661015200515, 31207545002577, 385191232715737, 4988767088734625, 67615869255979521 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=sum{k=0..n, (n-k-1)C((n-k)k, k)-(n-k-2)sum{j=0..k, C((n-k)*k, j)}}`
	CROSSREFS	`Sequence in context: A071384 A078066 A018002 this_sequence A066777 A065901 A053662` `Adjacent sequences: A107025 A107026 A107027 this_sequence A107029 A107030 A107031`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 09 2005`

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Last modified August 28 11:49 EDT 2008. Contains 143094 sequences.

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