# A203010 (b-file synthesized from sequence entry)
1 1
2 4
3 19
4 145
5 1679
6 31146
7 919866
8 43716030
9 3345087696
10 413168662224
11 82432477483344
12 26585428576089600
13 13864587294260493504
14 11694921751248976025856
15 15957837208927564640940096
16 35227081534568618432596098240