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A284136 as a simple table

n a(n)
0 1
1 0
2 4
3 0
4 20
5 0
6 84
7 0
8 372
9 64
10 1044
11 896
12 4724
13 64
14 24084
15 6528
16 65652
17 56896
18 268308
19 198528
20 1107572
21 819264
22 4218388
23 3283328
24 16842868
25 16309824
26 82057236
27 8587136
28 359720564
29 38568000
30 1342201364
31 166861184
32 5398134900
33 825810496
34 21611419668

[1,0,4,0,20,0,84,0,372,64,1044,896,4724,64,24084,
 6528,65652,56896,268308,198528,1107572,819264,
 4218388,3283328,16842868,16309824,82057236,
 8587136,359720564,38568000,1342201364,166861184,
 5398134900,825810496,21611419668]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)