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A230470 as a simple table

n a(n)
1 0
2 0
3 0
4 36
5 216
6 1260
7 6912
8 38340
9 213192
10 1188252
11 6624720
12 36934452
13 205906968
14 1147892364
15 6399246240
16 35674383780
17 198876914280
18 1108695761532
19 6180739391088
20 34456287198996
21 192086358160824
22 1070839950246252

[0,0,0,36,216,1260,6912,38340,213192,1188252,
 6624720,36934452,205906968,1147892364,6399246240,
 35674383780,198876914280,1108695761532,
 6180739391088,34456287198996,192086358160824,
 1070839950246252]

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Last modified August 14 15:34 EDT 2022. Contains 356122 sequences. (Running on oeis4.)