# A349560 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 3
4 40
5 245
6 2976
7 35287
8 524560
9 8790777
10 165530800
11 3493679651
12 80812685064
13 2049413147509
14 56294089065592
15 1668771901644135
16 53057068616526496
17 1801519375618579313
18 65063987978980974048
19 2490449984485154892235
20 100716775979173952155480