# A193664 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 6
4 11
5 68
6 177
7 1215
8 4059
9 30733
10 124408
11 1027972
12 4862600
13 43450761
14 234283662
15 2247091674
16 13563976285
17 138780931929
18 925063455844
19 10044476018973
20 73144254450840
21 839146997933059
22 6618306039456419