cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A176970 Numbers that are the product of two odd numbers x*y such that 2^x (mod y) = 2^y (mod x) = 2.

Table of values

n a(n)
1 9
2 25
3 49
4 121
5 169
6 289
7 341
8 361
9 525
10 529
11 651
12 765
13 841
14 961
15 1155
16 1369
17 1387
18 1681
19 1683
20 1849
21 1935
22 2047
23 2209
24 2701
25 2809
26 3277
27 3481
28 3721
29 3751
30 4033
31 4165
32 4305
33 4369
34 4455
35 4489
36 4681
37 5041
38 5329
39 5461
40 5525
41 5715
42 6025
43 6241
44 6643
45 6889
46 7161
47 7239
48 7921
49 7957
50 8265
51 8321
52 8925
53 9409
54 9471
55 9605

List of values

[9, 25, 49, 121, 169, 289, 341, 361, 525, 529, 651, 765, 841, 961, 1155, 1369, 1387, 1681, 1683, 1849, 1935, 2047, 2209, 2701, 2809, 3277, 3481, 3721, 3751, 4033, 4165, 4305, 4369, 4455, 4489, 4681, 5041, 5329, 5461, 5525, 5715, 6025, 6241, 6643, 6889, 7161, 7239, 7921, 7957, 8265, 8321, 8925, 9409, 9471, 9605]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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