# A365157 (b-file synthesized from sequence entry)
0 1
1 2
2 15
3 124
4 1167
5 11772
6 124561
7 1363964
8 15326826
9 175739698
10 2047974619
11 24185317182
12 288801732423
13 3481242975808
14 42303574158234
15 517683469595912
16 6374096109874427
17 78909384182870688
18 981600144994348111
19 12263583888826309544
20 153812133876403777005