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A022997 as a simple table

n a(n)
2 0
3 15
4 28
5 135
6 132
7 455
8 360
9 1071
10 760
11 2079
12 1380
13 3575
14 2268
15 5655
16 3472
17 8415
18 5040
19 11951
20 7020
21 16359
22 9460
23 21735
24 12408
25 28175
26 15912
27 35775
28 20020
29 44631
30 24780
31 54839
32 30240
33 66495
34 36448
35 79695
36 43452
37 94535
38 51300
39 111111
40 60040
41 129519
42 69720
43 149855

[0,15,28,135,132,455,360,1071,760,2079,1380,3575,
 2268,5655,3472,8415,5040,11951,7020,16359,9460,
 21735,12408,28175,15912,35775,20020,44631,24780,
 54839,30240,66495,36448,79695,43452,94535,51300,
 111111,60040,129519,69720,149855]

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Last modified June 10 10:32 EDT 2024. Contains 373264 sequences. (Running on oeis4.)