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A047086 T(2n+1,n), array T as in A047080. 3
1, 2, 5, 15, 46, 143, 450, 1429, 4570, 14698, 47491, 154042, 501283, 1635835, 5351138, 17541671, 57610988, 189521640, 624389105, 2059824523, 6803433916, 22495796651, 74457478476, 246667937610, 817866796549, 2713874203112, 9011747680649, 29944572743724 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..27.

CROSSREFS

Cf. A047080, A047085, A047087, A047088.

Sequence in context: A287582 A122392 A139782 * A071731 A268648 A148360

Adjacent sequences:  A047083 A047084 A047085 * A047087 A047088 A047089

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

Corrected and extended by Sean A. Irvine, May 11 2021

STATUS

approved

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Last modified May 21 21:43 EDT 2022. Contains 353929 sequences. (Running on oeis4.)