A049726 - OEIS

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A049726

a(n) = Sum_{i=0..floor(n/2)} T(2i,n-2i), array T as in A049723.

0

1, 4, 18, 31, 73, 105, 204, 249, 412, 501, 760, 865, 1207, 1376, 1864, 2070, 2688, 2951, 3740, 4068, 5059, 5413, 6612, 7057, 8421, 8974, 10620, 11247, 13114, 13835, 16034, 16812, 19267, 20221, 22994, 23973, 27092, 28240

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OFFSET

0,2

LINKS

Table of n, a(n) for n=0..37.

CROSSREFS

Sequence in context: A080519 A120407 A033166 * A130656 A292161 A346866

Adjacent sequences: A049723 A049724 A049725 * A049727 A049728 A049729

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved