# A348847 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 8
5 16
6 36
7 144
8 576
9 900
10 3600
11 14400
12 32400
13 129600
14 435600
15 6969600
16 8643600
17 34574400
18 77792400
19 311169600
20 2498000400
21 2800526400
22 7779240000
23 9992001600
24 22482003600