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A071817
as a simple table
n
a(n)
1
1
2
3
3
6
4
10
5
15
6
21
7
28
8
36
9
45
10
54
11
61
12
66
13
69
14
70
15
69
16
66
17
61
18
54
19
45
20
36
21
28
22
21
23
15
24
10
25
6
26
3
27
1
[1,3,6,10,15,21,28,36,45,54,61,66,69,70,69,66,61, 54,45,36,28,21,15,10,6,3,1]
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Last modified April 19 11:14 EDT 2024. Contains 371791 sequences. (Running on oeis4.)
