# A147424 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 5
8 13
9 31
10 123
11 397
12 1299
13 7415
14 48549
15 328016
16 2805259
17 26286523
18 261135019
19 3222276941
20 47592701035
21 811402107260
22 16468821744235
23 385847309545373