A026996 Self-convolution of array T given by A026703.

1, 2, 11, 52, 243, 1252, 5773, 30118, 138709, 725582, 3341873, 17491838, 80576661, 421772338, 1943163731, 10170325444, 46860603595, 245231971772, 1130003805543, 5912852116740, 27247159299515, 142559083218360, 656953537723871, 3436953931249440, 15838895888720931, 82858490576755452

Offset

0,2

Links

Table of n, a(n) for n=0..25.

Crossrefs

Sequence in context: A026956 A026986 A181290 * A110308 A027201 A026933

Adjacent sequences: A026993 A026994 A026995 * A026997 A026998 A026999

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Oct 21 2019

Status

approved