# A164869 (b-file synthesized from sequence entry)
0 0
1 2
2 12
3 3
4 120
5 5
6 252
7 7
8 240
9 9
10 660
11 11
12 32760
13 13
14 84
15 15
16 8160
17 17
18 14364
19 19
20 6600
21 21
22 3036
23 23
24 65520
25 25
26 156
27 27
28 24360
29 29
30 429660
31 31
32 16320
33 33
34 204
35 35
36 69090840
37 37
38 228
39 39
40 541200
41 41
42 75852
43 43
44 30360
45 45
46 12972
47 47
48 2227680
49 49
50 3300
51 51
52 82680