# A002549 (b-file synthesized from sequence entry)
1 1
2 1
3 23
4 11
5 563
6 1627
7 88069
8 1423
9 1593269
10 7759469
11 31730711
12 46522243
13 3788707301
14 2888008157
15 340028535787
16 41743955887
17 10823198495797
18 2738032559863
19 409741429887649
20 25876414060339
21 17141894231615609