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A054131 T(2n,n), array T as in A054126. 0
2, 5, 24, 134, 802, 4960, 31212, 198504, 1271754, 8192780, 53009614, 344213930, 2241814696, 14637778784, 95786210880 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..14.

CROSSREFS

Cf. A054126.

Sequence in context: A208969 A020022 A026073 * A086635 A020124 A012249

Adjacent sequences:  A054128 A054129 A054130 * A054132 A054133 A054134

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 1 17:45 EDT 2020. Contains 337444 sequences. (Running on oeis4.)