# A370271 (b-file synthesized from sequence entry)
0 1
1 3
2 27
3 246
4 2379
5 23628
6 239058
7 2450052
8 25351755
9 264270765
10 2771024652
11 29194911342
12 308813298690
13 3277454178144
14 34883317836240
15 372195546176496
16 3979793738688075
17 42635773396647054
18 457529396858568837
19 4917191231017846902
20 52917857164300253004