A027315 Self-convolution of array T given by A026082.

1, 2, 6, 20, 90, 692, 5774, 48924, 417440, 3580036, 30831756, 266463804, 2309848194, 20074999500, 174867895438, 1526259877412, 13344806416950, 116863477094660, 1024844657752730, 8998915251701628, 79108591391227406, 696167664755023388, 6132277201334483178

Offset: 0

Author

Clark Kimberling

Keywords

• nonn

Comments

Equivalently, sum of squares of numbers in row n of array T given by A026082.

Extensions

More terms from Sean A. Irvine, Oct 27 2019