# A028031 (b-file synthesized from sequence entry)
0 1
1 24
2 385
3 5280
4 67441
5 833064
6 10129825
7 122282160
8 1471249681
9 17675304504
10 212209212865
11 2547054594240
12 30567440844721
13 366823482358344
14 4401953808801505
15 52823810060045520
16 633887559543412561