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A087680 as a simple table

n a(n)
1 7
2 9
3 15
4 27
5 33
6 57
7 63
8 75
9 93
10 105
11 135
12 153
13 177
14 195
15 237
16 267
17 273
18 363
19 393
20 405
21 435
22 453
23 483
24 495
25 567
26 573
27 597
28 603
29 657
30 687
31 705
32 723
33 747
34 765
35 825
36 915
37 933
38 987
39 1017
40 1035
41 1065
42 1113
43 1167
44 1197
45 1227
46 1233
47 1287
48 1293
49 1323
50 1377
51 1443

[7,9,15,27,33,57,63,75,93,105,135,153,177,195,237,
 267,273,363,393,405,435,453,483,495,567,573,597,
 603,657,687,705,723,747,765,825,915,933,987,1017,
 1035,1065,1113,1167,1197,1227,1233,1287,1293,1323,
 1377,1443]

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Last modified May 16 03:59 EDT 2024. Contains 372549 sequences. (Running on oeis4.)