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A019185 as a simple table

n a(n)
3 0
4 0
5 6
6 0
7 0
8 48
9 36
10 72
11 456
12 588
13 1032
14 4596
15 9324
16 19908
17 64164
18 155520
19 366456
20 1029060
21 2664612
22 6732000
23 18220368
24 48373068
25 126575628
26 339532836
27 908895096
28 2418938244
29 6497355624
30 17481603528
31 46965683160

[0,0,6,0,0,48,36,72,456,588,1032,4596,9324,19908,
 64164,155520,366456,1029060,2664612,6732000,
 18220368,48373068,126575628,339532836,908895096,
 2418938244,6497355624,17481603528,46965683160]

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Last modified August 11 10:15 EDT 2022. Contains 356065 sequences. (Running on oeis4.)