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A026772 T(2n,n-2), T given by A026769. 1
1, 10, 71, 444, 2616, 14938, 83821, 465654, 2572166, 14164320, 77886902, 428113940, 2353823912, 12950837432, 71326701751, 393289209772, 2171308560036, 12003376308370, 66445540183348, 368304502202306, 2044177115127750 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..22.

CROSSREFS

Sequence in context: A215295 A136856 A016218 * A224292 A016098 A129275

Adjacent sequences:  A026769 A026770 A026771 * A026773 A026774 A026775

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 23 13:01 EST 2018. Contains 299581 sequences. (Running on oeis4.)