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A215821 as a simple table

n a(n)
1 2
2 4
3 6
4 12
5 18
6 26
7 36
8 52
9 122
10 244
11 314
12 628
13 794
14 866
15 1588
16 1732
17 1754 

[2,4,6,12,18,26,36,52,122,244,314,628,794,866,
 1588,1732,1754]

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Last modified August 28 16:44 EDT 2024. Contains 375508 sequences. (Running on oeis4.)