# A259550 (b-file synthesized from sequence entry)
0 1
1 2
2 42
3 1001
4 25194
5 653752
6 17298645
7 463991880
8 12570420330
9 343176898988
10 9425842448792
11 260170725132045
12 7210477496434485
13 200519284375732896
14 5592628786362932776
15 156375886125188595376
16 4382048530314336892010
17 123033460966787345446836