# A036733 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 12
4 111
5 1002
6 9714
7 99540
8 1050699
9 11335347
10 124588322
11 1390328886
12 15708587942
13 179337437284
14 2065664506352
15 23975801683480
16 280144041520475
17 3292561150068214
18 38899147293746645
19 461696518011468240
20 5502718866101560144