# A111298 (b-file synthesized from sequence entry)
0 15
1 6
2 90
3 9
4 810
5 9
6 7290
7 18
8 131220
9 9
10 1180980
11 27
12 31886460
13 36
14 1147912560
15 36
16 41324852160
17 36
18 1487694677760
19 72
20 107114016798720
21 54
22 5784156907130880
23 72
24 416459297313423360
25 72
26 29985069406566481920
27 99
28 2968521871250081710080