A047037 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A047037

T(n,n+2), array T as in A004730.

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