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A026946 a(n) = self-convolution of array T given by A026374. 0
1, 2, 11, 34, 195, 678, 3989, 14494, 86515, 321590, 1936881, 7301142, 44241261, 168359754, 1024642875, 3926147730, 23973456915, 92338836390, 565280386625 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..18.

CROSSREFS

Sequence in context: A026981 A027223 A027229 * A204452 A041389 A205342

Adjacent sequences:  A026943 A026944 A026945 * A026947 A026948 A026949

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 23 05:13 EDT 2018. Contains 316519 sequences. (Running on oeis4.)