A026900 T(2n+1,n+3), T given by A026780.

1, 8, 47, 248, 1251, 6194, 30496, 150348, 745086, 3719388, 18721063, 95045190, 486669349, 2512426480, 13070589618, 68484870582, 361191120212, 1916337714194, 10222616034264, 54800827268454, 295084855980404, 1595368824989782

Offset

2,2

Links

Table of n, a(n) for n=2..23.

Crossrefs

Sequence in context: A300167 A029760 A139262 * A016198 A270495 A177257

Adjacent sequences: A026897 A026898 A026899 * A026901 A026902 A026903

Keyword

nonn

Author

Clark Kimberling

Status

approved