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A179653
as a simple table
n
a(n)
1
3
2
6
3
10
4
15
5
21
6
28
7
45
8
55
9
78
10
91
11
105
12
136
13
406
14
496
15
528
16
595
17
703
18
741
19
1035
20
1081
21
1225
[3,6,10,15,21,28,45,55,78,91,105,136,406,496,528, 595,703,741,1035,1081,1225]
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Last modified July 16 17:03 EDT 2024. Contains 374358 sequences. (Running on oeis4.)