# A144843 (b-file synthesized from sequence entry)
1 1
2 64
3 2704
4 102400
5 3748096
6 135675904
7 4893282304
8 176265625600
9 6346852335616
10 228502162898944
11 8226263614357504
12 296147719133593600
13 10661344637077159936
14 383808727914259677184
15 13817118056668205154304
16 497416296261117961830400
17 17906987220053014721069056