A027090 - OEIS

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A027090

a(n) = A027082(n, 2n-3).

0

1, 3, 9, 28, 84, 246, 714, 2059, 5917, 16971, 48633, 139333, 399267, 1144669, 3283839, 9427981, 27090715, 77911897, 224272499, 646157234, 1863317958, 5377939756, 15535195892, 44913790501, 129955421387, 376313609029

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OFFSET

2,2

LINKS

Table of n, a(n) for n=2..27.

CROSSREFS

Sequence in context: A184698 A027099 A292328 * A033139 A372870 A291731

Adjacent sequences: A027087 A027088 A027089 * A027091 A027092 A027093

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved