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A027267 a(n) = self-convolution of row n of array T given by A026536. 0
1, 2, 8, 26, 196, 692, 5774, 21142, 180772, 675344, 5837908, 22087716, 192239854, 733698032, 6416509142, 24645099530, 216309089956, 834847581048, 7347943049432, 28467646552432, 251119894730596, 975892708569952, 8624336421678788, 33600628889991916, 297394187356638766 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..24.

CROSSREFS

Sequence in context: A150709 A130613 A143338 * A060414 A087241 A184628

Adjacent sequences:  A027264 A027265 A027266 * A027268 A027269 A027270

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Sean A. Irvine, Oct 26 2019

STATUS

approved

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Last modified May 14 19:53 EDT 2021. Contains 343903 sequences. (Running on oeis4.)