A026679 Sum{T(i,j)}, 0<=i<=n, 0<=j<=n, T given by A026670.

1, 3, 8, 18, 41, 87, 190, 396, 851, 1761, 3754, 7740, 16419, 33777, 71410, 146676, 309319, 634605, 1335680, 2737830, 5753393, 11784519, 24732602, 50628768, 106142095, 217168749, 454874296, 930285390, 1947021505

Offset: 0

Author

Clark Kimberling

Keywords

• nonn

Crossrefs

Partial sums of A026677.