A027294 Self-convolution of row n of array T given by A026022.

1, 2, 6, 20, 56, 208, 493, 1974, 4336, 18258, 38380, 167464, 342056, 1532376, 3067156, 14022168, 27646080, 128438893, 250291902, 1178090212, 2274524200, 10822168448, 20736353110, 99564168884, 189575748320, 917316990660

Offset: 0

Author

Clark Kimberling

Keywords

• nonn

Crossrefs

Cf. A026022.