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A026789 a(n) = Sum{T(i,j)}, 0<=i<=n, 0<=j<=n, T given by A026780. 0
1, 3, 8, 19, 45, 103, 239, 545, 1262, 2887, 6700, 15397, 35848, 82757, 193320, 448175, 1050217, 2443963, 5743267, 13410053, 31593029, 73984575, 174689181, 410141597, 970289011, 2283205051, 5410611863, 12756825609, 30274963923 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..28.

CROSSREFS

Sequence in context: A077850 A097550 A079490 * A308372 A096576 A126874

Adjacent sequences:  A026786 A026787 A026788 * A026790 A026791 A026792

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 19 23:01 EDT 2019. Contains 324222 sequences. (Running on oeis4.)