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A128457 as a simple table

n a(n)
1 1
2 2
3 4
4 5
5 12
6 78
7 80
8 90
9 117
10 120
11 813
12 1502
13 2306
14 2946
15 6308
16 13320
17 26369
18 31868
19 44265
20 81008 

[1,2,4,5,12,78,80,90,117,120,813,1502,2306,2946,
 6308,13320,26369,31868,44265,81008]

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Last modified April 16 19:48 EDT 2024. Contains 371754 sequences. (Running on oeis4.)