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A328690 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 3
7 7
8 44
9 90
10 375
11 715
12 2487
13 4550
14 14350
15 25515
16 75724
17 132090
18 376779
19 647995
20 1798175
21 3060736
22 8329046
23 14064523
24 37725791
25 63313250
26 168011025
27 280576935
28 738453366
29 1228322550
30 3212296488
31 5325765931
32 13858103244
33 22913129140
34 59383320585

[0,0,0,0,0,3,7,44,90,375,715,2487,4550,14350,
 25515,75724,132090,376779,647995,1798175,3060736,
 8329046,14064523,37725791,63313250,168011025,
 280576935,738453366,1228322550,3212296488,
 5325765931,13858103244,22913129140,59383320585]

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Last modified August 13 05:34 EDT 2024. Contains 375113 sequences. (Running on oeis4.)