# A301411 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 108
4 1192
5 14848
6 200432
7 2866752
8 42853392
9 663565616
10 10579117744
11 172911177584
12 2888445810864
13 49203276384624
14 853289008064304
15 15047071017842928
16 269585532569464752
17 4904425594952671344
18 90570287337341726256
19 1697589267552262891760
20 32295562088556275945136