# A254758 (b-file synthesized from sequence entry)
0 1
1 23
2 137
3 799
4 4657
5 27143
6 158201
7 922063
8 5374177
9 31322999
10 182563817
11 1064059903
12 6201795601
13 36146713703
14 210678486617
15 1227924205999
16 7156866749377
17 41713276290263
18 243122790992201
19 1417023469662943