A026981 Self-convolution of array T given by A026670.

1, 2, 11, 34, 173, 586, 2917, 10262, 50503, 181334, 885831, 3221146, 15652239, 57405038, 277822147, 1025177314, 4945846997, 18333973274, 88224662549, 328195843910, 1576001732485, 5879010027618, 28181895551161, 105362519875518, 504329070986033, 1888952213601906

Offset: 0

Author

Clark Kimberling

Keywords

• nonn

Extensions

More terms from Sean A. Irvine, Oct 20 2019