# A113346 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 19
4 113
5 966
6 10958
7 156700
8 2727794
9 56306696
10 1350043965
11 36979531549
12 1141573025172
13 39272377323693
14 1491452150268436
15 62027842189908231
16 2805631215820328992
17 137199563717151509077
18 7215932308408758314447