# A186258 (b-file synthesized from sequence entry)
1 17
2 101
3 461
4 2801
5 19553
6 136649
7 955841
8 6684749
9 46777229
10 327440609
11 2292083093
12 16044575777
13 112312028681
14 786179138273
15 5503253967269
16 38522774910593
17 269659405576049
18 1887615818410877
19 13213310659503893
20 92493174561607361