# A134940 (b-file synthesized from sequence entry)
0 0
1 17
2 424
3 7889
4 131920
5 2099537
6 32570104
7 498191249
8 7559339680
9 114166849937
10 1719485965384
11 25855100073809
12 388391603257840
13 5830958998038737
14 87510144649440664
15 1313063982494679569
16 19699665930299694400
17 295528344080575921937
18 4433225354293155251944