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A026873 T(2n,n+2), T given by A026758. 0
1, 6, 29, 131, 576, 2505, 10857, 47081, 204724, 893766, 3920310, 17283214, 76596745, 341264480, 1528405584, 6880122182, 31123426923, 141456560459, 645811464667, 2960966353657, 13630215685869, 62981140857061, 292049203818249 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..24.

CROSSREFS

Sequence in context: A173413 A008549 A026675 * A081179 A026866 A045445

Adjacent sequences:  A026870 A026871 A026872 * A026874 A026875 A026876

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 25 04:05 EST 2018. Contains 299630 sequences. (Running on oeis4.)