A026971 Self-convolution of array T given by A026648.

1, 2, 11, 34, 138, 492, 2342, 8500, 39814, 148124, 709266, 2665932, 12824196, 48623448, 235400988, 897705096, 4362689862, 16713200556, 81488683874, 313281535180, 1531312911148, 5903966489576, 28918583700468, 111757786454424, 548352142452124, 2123323536391448

Offset: 0

Author

Clark Kimberling

Keywords

• nonn

Extensions

More terms from Sean A. Irvine, Oct 20 2019