# A060835 (b-file synthesized from sequence entry)
1 2
2 17
3 1737
4 1025
5 92025
6 3375900
7 5472225
8 35964225
9 930860225
10 1000837225
11 4979585600
12 38515961025
13 88154795025
14 203947076025
15 88813460025
16 5684061441600
17 77806025000000
18 64745012358225