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A055836 T(2n+2,n), where T is the array in A055830. 1
2, 7, 31, 145, 701, 3458, 17298, 87417, 445225, 2281565, 11750245, 60763950, 315315014, 1641046720, 8562466432, 44775095601, 234594444741, 1231249999640, 6472043549400, 34067089542255, 179543120927115 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A034698 A115605 A114198 * A076177 A007164 A126033

Adjacent sequences:  A055833 A055834 A055835 * A055837 A055838 A055839

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 20:08 EST 2012. Contains 205957 sequences.