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A049691 as a simple table

n a(n)
0 0
1 3
2 5
3 9
4 13
5 21
6 25
7 37
8 45
9 57
10 65
11 85
12 93
13 117
14 129
15 145
16 161
17 193
18 205
19 241
20 257
21 281
22 301
23 345
24 361
25 401
26 425
27 461
28 485
29 541
30 557
31 617
32 649
33 689
34 721
35 769
36 793
37 865
38 901
39 949
40 981
41 1061
42 1085
43 1169
44 1209
45 1257
46 1301
47 1393
48 1425
49 1509
50 1549

[0,3,5,9,13,21,25,37,45,57,65,85,93,117,129,145,
 161,193,205,241,257,281,301,345,361,401,425,461,
 485,541,557,617,649,689,721,769,793,865,901,949,
 981,1061,1085,1169,1209,1257,1301,1393,1425,1509,
 1549]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)