Row sums of the triangular array A357431.

Terms

a(0) =1a(1) =5a(2) =12a(3) =27a(4) =43a(5) =76a(6) =109a(7) =168a(8) =218a(9) =301a(10) =383a(11) =499a(12) =591a(13) =779a(14) =904a(15) =1153a(16) =1322a(17) =1555a(18) =1817a(19) =2143a(20) =2379a(21) =2790a(22) =3164a(23) =3627a(24) =3957a(25) =4546a(26) =5034a(27) =5599a(28) =6062a(29) =6937