# A251665 (b-file synthesized from sequence entry)
0 1
1 4
2 47
3 1034
4 34349
5 1540480
6 87311275
7 5991370390
8 483100288985
9 44778459212540
10 4691799973171175
11 548418557098305250
12 70754785462138421125
13 9987462340422594014200
14 1531136319790275407365475
15 253347224928445454055920750
16 45001449932636667231257800625
17 8541130421294458307989700672500