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A188667 as a simple table

n a(n)
0 0
1 0
2 3
3 21
4 72
5 180
6 375
7 693
8 1176
9 1872
10 2835
11 4125
12 5808
13 7956
14 10647
15 13965
16 18000
17 22848
18 28611
19 35397
20 43320
21 52500
22 63063
23 75141
24 88872
25 104400
26 121875
27 141453
28 163296
29 187572
30 214455
31 244125
32 276768
33 312576
34 351747
35 394485
36 441000

[0,0,3,21,72,180,375,693,1176,1872,2835,4125,5808,
 7956,10647,13965,18000,22848,28611,35397,43320,
 52500,63063,75141,88872,104400,121875,141453,
 163296,187572,214455,244125,276768,312576,351747,
 394485,441000]

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Last modified April 23 02:14 EDT 2024. Contains 371906 sequences. (Running on oeis4.)