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A241689 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 4
13 22
14 68
15 156
16 320
17 584
18 1008
19 1622
20 2520
21 3734
22 5428
23 7612
24 10488
25 14126
26 18744
27 24390
28 31436
29 39914
30 50212
31 62390
32 76932
33 93918
34 113960
35 137058
36 163896
37 194632
38 229988
39 270018
40 315712
41 367106
42 425220
43 490164
44 563080
45 644096

[0,0,0,0,0,0,0,0,0,0,0,4,22,68,156,320,584,1008,
 1622,2520,3734,5428,7612,10488,14126,18744,24390,
 31436,39914,50212,62390,76932,93918,113960,137058,
 163896,194632,229988,270018,315712,367106,425220,
 490164,563080,644096]

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Last modified May 9 02:58 EDT 2024. Contains 372341 sequences. (Running on oeis4.)