# A345750 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 9
4 49
5 310
6 2521
7 25557
8 290550
9 3555041
10 48104901
11 741103946
12 12825399313
13 240202011881
14 4747281446090
15 98808864563065
16 2194031697420057
17 52582450760730398
18 1357237338948268649