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A051800 as a simple table

n a(n)
1 1
2 2
3 3
4 4
5 5
6 11
7 18
8 23
9 26
10 30
11 80
12 120
13 148
14 220
15 395
16 776
17 884
18 977
19 3535
20 3927 

[1,2,3,4,5,11,18,23,26,30,80,120,148,220,395,776,
 884,977,3535,3927]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)