Row sums of triangle A258197.

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =13a(5) =16a(6) =50a(7) =46a(8) =331a(9) =710a(10) =1530a(11) =1968a(12) =6694a(13) =8352a(14) =15550a(15) =24890a(16) =133573a(17) =181552a(18) =486054a(19) =641978a(20) =1840816a(21) =3296140a(22) =6314768a(23) =7452540a(24) =34421218a(25) =59313706a(26) =110347662a(27) =258695534a(28) =627750404a(29) =874913936