# A002257 (b-file synthesized from sequence entry)
1 1
2 4
3 5
4 10
5 14
6 41
7 94
8 154
9 158
10 500
11 14140
12 19004
13 21928
14 44009
15 54629
16 57148
17 260653
18 281228
19 342280
20 519448
21 749938
22 930866