# A162601 (b-file synthesized from sequence entry)
1 3
2 73
3 757
4 262657
5 1772893
6 64008001
7 85775383
8 308933353
9 729027001
10 15625125001
11 17596420453
12 30841155073
13 46656216001
14 225200075257
15 885843322057
16 1126163480473
17 2565165803383
18 4608275809411
19 5789338864921
20 9685393594633
21 16157823282721
22 25002115044733