A097307 Row sums of array A097306.

1, 1, 3, 3, 6, 8, 13, 15, 26, 31, 46, 56, 81, 95, 140, 160, 221, 261, 351, 406, 548, 626, 820, 945, 1221, 1393, 1788, 2035, 2566, 2928, 3656, 4139, 5146, 5810, 7148, 8078, 9850, 11086, 13461, 15116, 18214, 20441, 24489, 27400, 32708, 36516, 43329, 48345

Offset

1,3

Links

Table of n, a(n) for n=1..48.

Formula

a(n) = Sum_{k=1..ceiling(n/2)} A097306(n,k).

Crossrefs

Sequence in context: A143592 A280197 A333526 * A323435 A026804 A240213

Adjacent sequences: A097304 A097305 A097306 * A097308 A097309 A097310

Keyword

nonn,easy

Author

Wolfdieter Lang, Aug 13 2004

Status

approved