A054141 T(2n-1,n), array T as in A054134.
2, 6, 31, 180, 1101, 6901, 43828, 280664, 1807909, 11698479, 75973701, 494890116, 3231949644, 21153128028, 138712184488
Offset: 1
Keywords
Crossrefs
Cf. A054134.
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