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A024353
as a simple table
n
a(n)
1
4
2
12
3
15
4
21
5
24
6
35
7
40
8
45
9
55
10
56
11
60
12
63
13
72
14
77
15
80
16
84
17
91
18
99
19
105
20
112
21
117
[4,12,15,21,24,35,40,45,55,56,60,63,72,77,80,84, 91,99,105,112,117]
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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)