# A146287 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 13
7 49
8 205
9 661
10 1997
11 13307
12 88591
13 614455
14 6581035
15 95397503
16 1522572859
17 23440615715
18 367710019427
19 8011532526037
20 207007785752989
21 6626542824985383