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A206823 as a simple table

n a(n)
0 1
1 0
2 1
3 2
4 0
5 2
6 3
7 18
8 0
9 6
10 40
11 48
12 144
13 0
14 24
15 205
16 1000
17 600
18 1200
19 0
20 120
21 2556
22 7380
23 18000
24 7200
25 10800
26 0
27 720
28 24409
29 125244
30 180810
31 294000
32 88200
33 105840
34 0
35 5040
36 347712
37 1562176
38 4007808
39 3857280
40 4704000
41 1128960
42 1128960
43 0
44 40320

[1,0,1,2,0,2,3,18,0,6,40,48,144,0,24,205,1000,600,
 1200,0,120,2556,7380,18000,7200,10800,0,720,24409,
 125244,180810,294000,88200,105840,0,5040,347712,
 1562176,4007808,3857280,4704000,1128960,1128960,0,
 40320]

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Last modified June 7 00:18 EDT 2024. Contains 373138 sequences. (Running on oeis4.)