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A069973 as a simple table

n a(n)
0 0
1 0
2 0
3 18
4 54
5 117
6 207
7 333
8 504
9 711
10 0
11 0
12 9
13 45
14 108
15 198
16 324
17 495
18 711
19 972
20 0
21 9
22 45
23 108
24 198
25 324
26 486
27 702
28 981
29 1305
30 18
31 36
32 99
33 189
34 324
35 486
36 702
37 981
38 1305
39 1701
40 54
41 99
42 189
43 315
44 486
45 711
46 972
47 1314
48 1710
49 2169
50 117
51 198
52 324
53 477
54 702
55 972

[0,0,0,18,54,117,207,333,504,711,0,0,9,45,108,198,
 324,495,711,972,0,9,45,108,198,324,486,702,981,
 1305,18,36,99,189,324,486,702,981,1305,1701,54,99,
 189,315,486,711,972,1314,1710,2169,117,198,324,
 477,702,972]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)