A027149 - OEIS

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A027149

a(n) = A027144(2n-1, n-2).

1, 10, 42, 352, 1360, 11616, 43680, 381952, 1416960, 12620800, 46441472, 419512320, 1535352832, 14021353472, 51117465600, 470886645760, 1711716106240, 15879295991808, 57592095965184, 537381547540480, 1945481074704384

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,2

LINKS

Table of n, a(n) for n=2..22.

CROSSREFS

Sequence in context: A222358 A321314 A348095 * A324512 A077541 A084036

Adjacent sequences: A027146 A027147 A027148 * A027150 A027151 A027152

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved