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A026966 Self-convolution of array T given by A026637. 0
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 18 00:52 EST 2022. Contains 350410 sequences. (Running on oeis4.)