# A208829 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 16
4 128
5 1396
6 19524
7 335676
8 6880388
9 164277924
10 4487230004
11 138213671308
12 4744574123684
13 179758555018740
14 7455418866550084
15 336136394342220156
16 16376124700916059428
17 857610538194682984548
18 48057661232590025818356
19 2869922852119148564815692