# A231327 (b-file synthesized from sequence entry)
0 1
1 15
2 105
3 675675
4 34459425
5 16368226875
6 218517792968475
7 30951416768146875
8 694097901592400930625
9 23383376494609715287281703125
10 2289686345687357378035370971875
11 219012470258383844016431785453125
12 4791965046290912124048163518904807546875