# A374675 (b-file synthesized from sequence entry)
0 1
1 2
2 21
3 244
4 3055
5 40116
6 544103
7 7553960
8 106734195
9 1528937200
10 22143771386
11 323613807672
12 4765050473521
13 70611124679564
14 1052084386116915
15 15750153504353872
16 236766112174722235
17 3572264808332407512
18 54073065371555283968
19 820886646834780680640