# A216586 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 28
4 202
5 1579
6 13375
7 118858
8 1098458
9 10453452
10 101872926
11 1012109860
12 10218226307
13 104570617520
14 1082633236498
15 11321654913838
16 119438468577559
17 1269787015989428
18 13592294300856138
19 146390465351654178
20 1585337895099162317
21 17253991887494062080