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A269888 as a simple table

n a(n)
1 0
2 6
3 6
4 60
5 432
6 60
7 450
8 11280
9 11280
10 450
11 3000
12 250992
13 943488
14 250992
15 3000
16 18750
17 5125008
18 68182800
19 68182800
20 5125008
21 18750
22 112500
23 99482544
24 4546948272
25 16086672048
26 4546948272
27 99482544
28 112500
29 656250
30 1867222224

[0,6,6,60,432,60,450,11280,11280,450,3000,250992,
 943488,250992,3000,18750,5125008,68182800,
 68182800,5125008,18750,112500,99482544,4546948272,
 16086672048,4546948272,99482544,112500,656250,
 1867222224]

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Last modified August 11 03:32 EDT 2024. Contains 375059 sequences. (Running on oeis4.)