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A055835 T(2n+1,n), where T is the array in A055830. 1
1, 3, 12, 54, 255, 1239, 6132, 30744, 155628, 793650, 4071210, 20984340, 108590118, 563816526, 2935798680, 15324533448, 80164934919, 420151515255, 2205762626010, 11597513662350, 61060181223195, 321870918101535 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A151207 A083881 A151208 * A125188 A054666 A006026

Adjacent sequences:  A055832 A055833 A055834 * A055836 A055837 A055838

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.