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A209446 as a simple table

n a(n)
0 1
1 6
2 0
3 30
4 72
5 0
6 0
7 2028
8 0
9 5910
10 0
11 0
12 83160
13 401532
14 0
15 0
16 2824992
17 0
18 0
19 79501308
20 0
21 463367580
22 0
23 0
24 0
25 7870428726
26 0
27 45872220270
28 221490672624
29 0
30 0
31 3116610274188
32 0
33 0
34 0
35 0
36 127800022137480
37 617073093431772
38 0
39 3596565555708780
40 0
41 0
42 0
43 122177355889216668

[1,6,0,30,72,0,0,2028,0,5910,0,0,83160,401532,0,0,
 2824992,0,0,79501308,0,463367580,0,0,0,7870428726,
 0,45872220270,221490672624,0,0,3116610274188,0,0,
 0,0,127800022137480,617073093431772,0,
 3596565555708780,0,0,0,122177355889216668]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)