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A055828 T(2n+4,n), array T as in A055818. 0
1, 47, 336, 2128, 12848, 75808, 441824, 2557024, 14737312, 84726992, 486388912, 2789840688, 15995087184, 91689974592, 525608606912, 3013422222272, 17280193763392, 99117586397296, 568696489153808, 3263973649089808 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A140043 A074774 A107611 * A142694 A142454 A200954

Adjacent sequences:  A055825 A055826 A055827 * A055829 A055830 A055831

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), May 28 2000

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Last modified February 17 03:45 EST 2012. Contains 205978 sequences.