A026878 a(n) = T(2n+1,n+3), T given by A026758.

1, 7, 37, 177, 809, 3614, 15959, 70101, 307442, 1349374, 5935806, 26195458, 116049130, 516291384, 2307167923, 10357044612, 46705335181, 211564961875, 962540059715, 4397719306200, 20174135878046, 92905048669662, 429412711250262

Offset

2,2

Links

Table of n, a(n) for n=2..24.

Crossrefs

Cf. A026758.

Sequence in context: A006419 A277178 A026673 * A026862 A026889 A356338

Adjacent sequences: A026875 A026876 A026877 * A026879 A026880 A026881

Keyword

nonn

Author

Clark Kimberling

Status

approved