# A023044 (b-file synthesized from sequence entry)
0 1854
1 16687
2 165016
3 1781802
4 20886576
5 264398280
6 3597143040
7 52370755920
8 812752093440
9 13397819541120
10 233845982899200
11 4309095479673600
12 83609603781580800
13 1704092533657113600
14 36403110891295948800