# A074508 (b-file synthesized from sequence entry)
0 3
1 10
2 46
3 244
4 1378
5 8020
6 47386
7 282124
8 1686178
9 10097380
10 60525226
11 362974204
12 2177313778
13 13062288340
14 78368947066
15 470199333484
16 2821152954178
17 16926788584900
18 101560344088906
19 609360902271964