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A007531 as a simple table

n a(n)
0 0
1 0
2 0
3 6
4 24
5 60
6 120
7 210
8 336
9 504
10 720
11 990
12 1320
13 1716
14 2184
15 2730
16 3360
17 4080
18 4896
19 5814
20 6840
21 7980
22 9240
23 10626
24 12144
25 13800
26 15600
27 17550
28 19656
29 21924
30 24360
31 26970
32 29760
33 32736
34 35904
35 39270
36 42840
37 46620
38 50616
39 54834
40 59280
41 63960
42 68880

[0,0,0,6,24,60,120,210,336,504,720,990,1320,1716,
 2184,2730,3360,4080,4896,5814,6840,7980,9240,
 10626,12144,13800,15600,17550,19656,21924,24360,
 26970,29760,32736,35904,39270,42840,46620,50616,
 54834,59280,63960,68880]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)