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A020192 as a simple table

n a(n)
1 9
2 15
3 21
4 35
5 39
6 45
7 63
8 65
9 85
10 91
11 105
12 117
13 133
14 153
15 195
16 221
17 231
18 247
19 259
20 273
21 315
22 341
23 357
24 435
25 451
26 455
27 481
28 511
29 561
30 585
31 645
32 651
33 671
34 703
35 763
36 765
37 819
38 861
39 873
40 949
41 1001
42 1035
43 1105
44 1205
45 1247
46 1271
47 1281
48 1365
49 1387
50 1417
51 1541
52 1581

[9,15,21,35,39,45,63,65,85,91,105,117,133,153,195,
 221,231,247,259,273,315,341,357,435,451,455,481,
 511,561,585,645,651,671,703,763,765,819,861,873,
 949,1001,1035,1105,1205,1247,1271,1281,1365,1387,
 1417,1541,1581]

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Last modified April 25 16:23 EDT 2024. Contains 371989 sequences. (Running on oeis4.)