# A050845 (b-file synthesized from sequence entry)
1 1
2 17
3 21
4 53
5 253
6 2173
7 3313
8 5197
9 5333
10 6929
11 28017
12 40429
13 47877
14 80617
15 110513
16 139673
17 141201
18 263093
19 379649
20 483153