Row sums of triangle in A116925.

Terms

a(0) =1a(1) =3a(2) =6a(3) =11a(4) =21a(5) =45a(6) =113a(7) =339a(8) =1221a(9) =5273a(10) =27237a(11) =167985a(12) =1235820a(13) =10838397a(14) =113281002a(15) =1410702627a(16) =20928310905a(17) =369834091857