# A194775 (b-file synthesized from sequence entry)
1 1740
2 4490
3 11857
4 31429
5 84727
6 229869
7 631373
8 1745459
9 4867831
10 13649561
11 38503606
12 109050858
13 310061698
14 883972100
15 2526165997
16 7230962925
17 20725462609
18 59454601239
19 170659921683
20 490024454069
21 1407237659011