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A099589 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 4
5 10
6 20
7 34
8 48
9 48
10 0
11 -164
12 -560
13 -1352
14 -2704
15 -4616
16 -6528
17 -6528
18 0
19 22288
20 76096
21 183712
22 367424
23 627232
24 887040
25 887040
26 0
27 -3028544
28 -10340096
29 -24963200
30 -49926400
31 -85229696
32 -120532992
33 -120532992
34 0
35 411525376
36 1405035520
37 3392055808

[0,0,0,1,4,10,20,34,48,48,0,-164,-560,-1352,-2704,
 -4616,-6528,-6528,0,22288,76096,183712,367424,
 627232,887040,887040,0,-3028544,-10340096,
 -24963200,-49926400,-85229696,-120532992,
 -120532992,0,411525376,1405035520,3392055808]

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Last modified May 14 22:35 EDT 2024. Contains 372533 sequences. (Running on oeis4.)