Row sums of A059450.

Terms

a(0) =1a(1) =2a(2) =10a(3) =58a(4) =370a(5) =2514a(6) =17850a(7) =130890a(8) =983650a(9) =7536418a(10) =58648810a(11) =462306266a(12) =3683602130a(13) =29620138994a(14) =240059315610