A026966 Self-convolution of array T given by A026637.

1, 2, 6, 34, 116, 438, 1606, 6002, 22548, 85342, 324716, 1241166, 4762000, 18329054, 70742790, 273689362, 1061055812, 4121135838, 16032654628, 62463904958, 243682621224, 951781620022, 3721520393036, 14565753339054, 57060974849656, 223721451300518, 877830004120296

Offset

0,2

Links

Table of n, a(n) for n=0..26.

Crossrefs

Sequence in context: A105142 A227306 A192537 * A026976 A026951 A030233

Adjacent sequences: A026963 A026964 A026965 * A026967 A026968 A026969

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Oct 20 2019

Status

approved