# A123570 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 82
4 1025
5 15626
6 279937
7 5764802
8 134217729
9 3486784402
10 100000000001
11 3138428376722
12 106993205379073
13 3937376385699290
14 155568095557812225
15 6568408355712890626
16 295147905179352825857
17 14063084452067724991010