Row sums of triangle A113993, where column k equals column 0 of A113983^(k+1).

A113997

Row sums of triangle A113993, where column k equals column 0 of A113983^(k+1).

Terms

    a(0) =1a(1) =2a(2) =4a(3) =9a(4) =23a(5) =68a(6) =232a(7) =909a(8) =4061a(9) =20538a(10) =116736a(11) =740473a(12) =5206295a(13) =40317216a(14) =341837416a(15) =3156076177a(16) =31572353377a(17) =340658773754

External references