# A372967 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 226
4 2059
5 20926
6 315646
7 4397212
8 66201971
9 999067510
10 15168583482
11 240202475668
12 3731763898510
13 57290627029676
14 887861389544668
15 13713341876387776
16 210889953761225667
17 3248614469788303782
18 50091681144815341810
19 772966100038376636332