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A027912 T(2n-1,n-2), T given by A027907. 0
1, 5, 28, 156, 880, 5005, 28665, 165104, 955434, 5550755, 32355917, 189147400, 1108476720, 6510243495, 38308997100, 225810489168, 1333057076890 (list; graph; refs; listen; history; internal format)
OFFSET

2,2

CROSSREFS

Sequence in context: A164537 A015536 A005785 * A090040 A025174 A083316

Adjacent sequences:  A027909 A027910 A027911 * A027913 A027914 A027915

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.