# A087310 (b-file synthesized from sequence entry)
2 1
3 2
4 6
5 6
6 30
7 4
8 72
9 72
10 210
11 132
12 132
13 114
14 594
15 48
16 354
17 1860
18 3942
19 2574
20 2574
21 2574
22 20910
23 20910
24 9600
25 9600