A027329 a(n) = self-convolution of row n of array T given by A026148.

1, 2, 8, 52, 340, 2120, 12966, 78404, 471049, 2819296, 16836187, 100413044, 598466970, 3565829520, 21245133183, 126592343380, 754484832586, 4497987650048, 26824346741653, 160027308774544, 955033911144732, 5701712685169392, 34052840254416123, 203451441144122916

Offset

0,2

Links

Table of n, a(n) for n=0..23.

Crossrefs

Sequence in context: A018987 A030518 A123188 * A136794 A125787 A358031

Adjacent sequences: A027326 A027327 A027328 * A027330 A027331 A027332

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Oct 27 2019

Status

approved