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A043005 as a simple table

n a(n)
1 3
2 15
3 51
4 55
5 59
6 63
7 195
8 215
9 235
10 255
11 771
12 787
13 803
14 819
15 839
16 855
17 871
18 887
19 907
20 923
21 939
22 955
23 975
24 991
25 1007
26 1023
27 3075
28 3155
29 3235
30 3315
31 3335
32 3415
33 3495
34 3575
35 3595
36 3675
37 3755
38 3835
39 3855
40 3935
41 4015
42 4095
43 12291

[3,15,51,55,59,63,195,215,235,255,771,787,803,819,
 839,855,871,887,907,923,939,955,975,991,1007,1023,
 3075,3155,3235,3315,3335,3415,3495,3575,3595,3675,
 3755,3835,3855,3935,4015,4095,12291]

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Last modified September 15 18:36 EDT 2024. Contains 375954 sequences. (Running on oeis4.)