Row sums of triangle A062993.

Terms

a(0) =1a(1) =2a(2) =4a(3) =10a(4) =32a(5) =126a(6) =588a(7) =3171a(8) =19382a(9) =132099a(10) =990756a(11) =8093603a(12) =71436060a(13) =676734190a(14) =6842383982a(15) =73483900031a(16) =834766518890