# A107875 (b-file synthesized from sequence entry)
0 1
1 5
2 28
3 220
4 2380
5 33649
6 593775
7 12620256
8 314457495
9 8996462475
10 290752384208
11 10477677064400
12 416579843773639
13 18114175790089400
14 855130180330364620
15 43553532185070076800
16 2380434572658017204175