A026873 T(2n,n+2), T given by A026758.

1, 6, 29, 131, 576, 2505, 10857, 47081, 204724, 893766, 3920310, 17283214, 76596745, 341264480, 1528405584, 6880122182, 31123426923, 141456560459, 645811464667, 2960966353657, 13630215685869, 62981140857061, 292049203818249

Offset

2,2

Links

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

Crossrefs

Sequence in context: A345031 A351146 A026675 * A081179 A026866 A045445

Adjacent sequences: A026870 A026871 A026872 * A026874 A026875 A026876

Keyword

nonn

Author

Clark Kimberling

Status

approved