A027153 a(n) = Sum_{0<=j<=i<=n} A027144(i, j).

1, 4, 11, 32, 77, 212, 503, 1376, 3257, 8900, 21059, 57536, 136133, 371924, 879983, 2404160, 5688305, 15540740, 36769787, 100456928, 237683645, 649363796, 1536411239, 4197553568, 9931518377, 27133412804, 64198343987

Offset

0,2

Links

Table of n, a(n) for n=0..26.

Crossrefs

Partial sums of A027151.

Sequence in context: A084757 A353425 A155962 * A319918 A034754 A345029

Adjacent sequences: A027150 A027151 A027152 * A027154 A027155 A027156

Keyword

nonn

Author

Clark Kimberling

Status

approved