# A192037 (b-file synthesized from sequence entry)
1 1
2 16
3 96
4 256
5 2500
6 9216
7 62496
8 147456
9 1499904
10 6250000
11 39037504
12 84934656
13 971882496
14 3905750016
15 23437500000
16 57415827456
17 610351562496
18 2249712009216
19 15258773437504
20 39062500000000
21 366140629499904
22 1523926718550016
23 9536743164062496
24 16231265527136256
25 238418579101562500