# A253284 (b-file synthesized from sequence entry)
0 1
1 2
2 2
3 6
4 18
5 12
6 24
7 144
8 240
9 120
10 120
11 1200
12 3600
13 4200
14 1680
15 720
16 10800
17 50400
18 100800
19 90720
20 30240
21 5040
22 105840
23 705600
24 2116800
25 3175200
26 2328480
27 665280
28 40320
29 1128960
30 10160640
31 42336000
32 93139200
33 111767040
34 69189120
35 17297280