# A128709 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 31
4 364
5 5746
6 113944
7 2719291
8 75843724
9 2420160286
10 86941080904
11 3471911602006
12 152562875644984
13 7315129181611876
14 380045172886143664
15 21266347877729314771
16 1275148311699896290444
17 81563275661324271278566