A059228 Row sums of triangle defined in A059226.
1, 1, 6, 34, 204, 1290, 8486, 57512, 398882, 2817790, 20205084, 146685686, 1076065002, 7964304176, 59400014606, 445991850330, 3368359327020, 25572325390546, 195046637975486, 1493883225366776, 11484930879057370, 88597575768631238
Offset: 0