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A043003 as a simple table

n a(n)
1 1
2 5
3 17
4 21
5 25
6 29
7 65
8 85
9 105
10 125
11 257
12 273
13 289
14 305
15 325
16 341
17 357
18 373
19 393
20 409
21 425
22 441
23 461
24 477
25 493
26 509
27 1025
28 1105
29 1185
30 1265
31 1285
32 1365
33 1445
34 1525
35 1545
36 1625
37 1705
38 1785
39 1805
40 1885
41 1965
42 2045
43 4097
44 4161

[1,5,17,21,25,29,65,85,105,125,257,273,289,305,
 325,341,357,373,393,409,425,441,461,477,493,509,
 1025,1105,1185,1265,1285,1365,1445,1525,1545,1625,
 1705,1785,1805,1885,1965,2045,4097,4161]

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Last modified April 24 13:55 EDT 2024. Contains 371958 sequences. (Running on oeis4.)