A026897 - OEIS

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A026897

T(2n,n+4), T given by A026780.

1, 11, 80, 489, 2732, 14512, 74888, 380329, 1916709, 9637687, 48528434, 245289395, 1246499970, 6374296278, 32816505566, 170106486358, 887697088316, 4662338571684, 24636365887246, 130918389450108, 699335986465354

(list; graph; refs; listen; history; text; internal format)

OFFSET

4,2

LINKS

Table of n, a(n) for n=4..24.

CROSSREFS

Sequence in context: A126506 A159663 A227244 * A021024 A127021 A326243

Adjacent sequences: A026894 A026895 A026896 * A026898 A026899 A026900

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved