# A367700 (b-file synthesized from sequence entry)
1 12
2 72
3 744
4 11256
5 201960
6 3871416
7 76138536
8 1512609912
9 30171384168
10 602782587960
11 12050495247528
12 240968665611768
13 4819043435788776
14 96378229818994104
15 1927543485550004520
16 38550700825394191224
17 771012665426135994984
18 15420242499878035355448
19 308404763528431125030312