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A172974 as a simple table

n a(n)
0 2
1 3
2 4
3 5
4 6
5 7
6 8
7 9
8 10
9 11
10 12
11 14
12 15
13 20
14 21
15 28
16 35
17 36
18 45
19 50
20 55
21 56
22 66
23 70
24 78
25 84
26 91 

[2,3,4,5,6,7,8,9,10,11,12,14,15,20,21,28,35,36,45,
 50,55,56,66,70,78,84,91]

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)