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A026619 T(2n-1,n-1), T given by A026615. 0
1, 5, 17, 60, 217, 798, 2970, 11154, 42185, 160446, 613054, 2351440, 9048522, 34916300, 135059220, 523521630, 2033066025, 7908332190, 30807696150, 120173896920, 469334610030, 1834970026500 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A149660 A149661 A146130 * A142956 A192146 A007483

Adjacent sequences:  A026616 A026617 A026618 * A026620 A026621 A026622

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.