# A346581 (b-file synthesized from sequence entry)
1 1
2 6
3 63
4 728
5 9275
6 124866
7 1753073
8 25365600
9 375677595
10 5667202850
11 86775157139
12 1345153422600
13 21069043965983
14 332927798516614
15 5301031234076325
16 84967018610221440
17 1369846562874360886
18 22199151535757655354
19 361411377745122110421
20 5908312923789590118600