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A055827 T(2n+3,n), array T as in A055818. 0
1, 23, 144, 848, 4880, 27816, 157920, 895264, 5074272, 28772280, 163262704, 927203184, 5270629104, 29988361032, 170780080320, 973422085184, 5552990609344, 31702646247768, 181128948471888, 1035584204252560 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..19.

CROSSREFS

Sequence in context: A220796 A220960 A139175 * A255418 A268778 A231207

Adjacent sequences:  A055824 A055825 A055826 * A055828 A055829 A055830

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 28 2000

STATUS

approved

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Last modified November 18 02:20 EST 2019. Contains 329243 sequences. (Running on oeis4.)