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A027688 as a simple table

n a(n)
0 3
1 5
2 9
3 15
4 23
5 33
6 45
7 59
8 75
9 93
10 113
11 135
12 159
13 185
14 213
15 243
16 275
17 309
18 345
19 383
20 423
21 465
22 509
23 555
24 603
25 653
26 705
27 759
28 815
29 873
30 933
31 995
32 1059
33 1125
34 1193
35 1263
36 1335
37 1409
38 1485
39 1563
40 1643
41 1725
42 1809
43 1895
44 1983
45 2073
46 2165
47 2259

[3,5,9,15,23,33,45,59,75,93,113,135,159,185,213,
 243,275,309,345,383,423,465,509,555,603,653,705,
 759,815,873,933,995,1059,1125,1193,1263,1335,1409,
 1485,1563,1643,1725,1809,1895,1983,2073,2165,2259]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)