Row sums of the irregular triangle A179236.

A179235

Row sums of the irregular triangle A179236.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =48a(4) =744a(5) =17640a(6) =647280a(7) =29116080a(8) =1654087680a(9) =117024445440

External references