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A055221 T(2n+5,n), array T as in A055216. 0
1, 7, 36, 157, 625, 2343, 8427, 29406, 100296, 336066, 1110300, 3626559, 11734557, 37673295, 120150909, 381040101, 1202559732, 3779328996, 11833845967, 36934571140, 114947180946, 356828242618, 1105180433704 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..22.

CROSSREFS

Sequence in context: A212088 A184246 A097554 * A080420 A243037 A181292

Adjacent sequences:  A055218 A055219 A055220 * A055222 A055223 A055224

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 07 2000

STATUS

approved

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Last modified June 1 04:57 EDT 2020. Contains 334758 sequences. (Running on oeis4.)