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A136717 as a simple table

n a(n)
1 1
2 0
3 2
4 0
5 2
6 4
7 0
8 0
9 12
10 12
11 0
12 0
13 0
14 72
15 48
16 0
17 0
18 0
19 72
20 456
21 192
22 0
23 0
24 0
25 0
26 960
27 3120
28 960
29 0
30 0
31 0
32 0
33 0
34 10800
35 23760
36 5760
37 0
38 0
39 0
40 0
41 0
42 10800
43 133920
44 183600
45 34560
46 0
47 0
48 0
49 0
50 0
51 0
52 241920
53 1572480
54 1572480
55 241920

[1,0,2,0,2,4,0,0,12,12,0,0,0,72,48,0,0,0,72,456,
 192,0,0,0,0,960,3120,960,0,0,0,0,0,10800,23760,
 5760,0,0,0,0,0,10800,133920,183600,34560,0,0,0,0,
 0,0,241920,1572480,1572480,241920]

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Last modified November 23 12:14 EST 2014. Contains 249842 sequences.