# A147412 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 5
7 17
8 41
9 185
10 633
11 2157
12 7997
13 47735
14 277209
15 2208471
16 17450513
17 197122185
18 2176282667
19 31077679505