A026088 a(n) = T(2n-1,n), where T is the array defined in A026082.

1, 3, 8, 52, 294, 1691, 9736, 56277, 326430, 1899530, 11085360, 64857925, 380331474, 2234804775, 13155328400, 77565394650, 458003596050, 2707970743326, 16030265384752, 94997726453172

Offset

1,2

Links

Table of n, a(n) for n=1..20.

Crossrefs

Sequence in context: A019035 A241469 A153385 * A354851 A322461 A192647

Adjacent sequences: A026085 A026086 A026087 * A026089 A026090 A026091

Keyword

nonn

Author

Clark Kimberling

Status

approved