id:A086274 - OEIS Search Results

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Antidiagonal sums of A086272 (and of A086273).

+0
2

1, 4, 12, 29, 60, 111, 189, 302, 459, 670, 946, 1299, 1742, 2289, 2955, 3756, 4709, 5832, 7144, 8665, 10416, 12419, 14697, 17274, 20175, 23426, 27054, 31087, 35554, 40485, 45911, 51864, 58377, 65484, 73220, 81621, 90724, 100567, 111189 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n)=n+Sum{(k+1)C(n+1-k, 2): k=1, 2, ..., n}.` `n(n^3+6n^2-n+18)/24.`
	CROSSREFS	`Cf. A086272, A086273.` `A005582(n-1) + n.` `Sequence in context: A050898 A009845 A014342 this_sequence A128563 A062421 A036889` `Adjacent sequences: A086271 A086272 A086273 this_sequence A086275 A086276 A086277`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu), Jul 14 2003`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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