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A047037 T(n,n+2), array T as in A004730. 0
1, 3, 10, 35, 125, 455, 1680, 6270, 23591, 89335, 340076, 1300234, 4989504, 19206500, 74132230, 286802444, 1111864311, 4318284037, 16798674426, 65444081290, 255290775209, 997047334415, 3898217039280, 15256167628139 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..23.

CROSSREFS

Sequence in context: A081567 A224509 A026026 * A339040 A201058 A318113

Adjacent sequences:  A047034 A047035 A047036 * A047038 A047039 A047040

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 19 09:58 EDT 2021. Contains 348074 sequences. (Running on oeis4.)