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A281991 as a simple table

n a(n)
1 1
2 4
3 5
4 7
5 16
6 17
7 19
8 28
9 59
10 68
11 128
12 307
13 343
14 368
15 421
16 448
17 469
18 691
19 1949
20 2506
21 4868
22 6914
23 30025
24 30955
25 35522
26 43388
27 45716
28 49999
29 76309
30 80149 

[1,4,5,7,16,17,19,28,59,68,128,307,343,368,421,
 448,469,691,1949,2506,4868,6914,30025,30955,35522,
 43388,45716,49999,76309,80149]

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Last modified April 16 04:02 EDT 2024. Contains 371696 sequences. (Running on oeis4.)