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A155131 as a simple table

n a(n)
1 7
2 21
3 27
4 55
5 175
6 195
7 235
8 243
9 331
10 351
11 397
12 453
13 471
14 531
15 603
16 607
17 657
18 691
19 733
20 741
21 777
22 825
23 847
24 855
25 861
26 895
27 925
28 931
29 937
30 957
31 973
32 1063
33 1147
34 1155
35 1167
36 1201
37 1233
38 1275
39 1357
40 1401
41 1477
42 1521
43 1537
44 1605
45 1653
46 1687
47 1741
48 1761
49 1797

[7,21,27,55,175,195,235,243,331,351,397,453,471,
 531,603,607,657,691,733,741,777,825,847,855,861,
 895,925,931,937,957,973,1063,1147,1155,1167,1201,
 1233,1275,1357,1401,1477,1521,1537,1605,1653,1687,
 1741,1761,1797]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)