Third diagonal (M=3) sequence of triangle A113647, called Y(2,1).

A115150

Third diagonal (M=3) sequence of triangle A113647, called Y(2,1).

Terms

    a(0) =1a(1) =15a(2) =113a(3) =783a(4) =5361a(5) =36879a(6) =255985a(7) =1794063a(8) =12689393a(9) =90505231a(10) =650379249a(11) =4705157135a(12) =34244198385a(13) =250572963855

External references