# A104256 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 6
5 47
6 433
7 4826
8 63344
9 957206
10 16368226
11 312484331
12 6588211317
13 152035645781
14 3811750833515
15 103171389227156
16 2998418499414228
17 93127351040630156
18 3078376326065274609
19 107905191218919625781