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.

A270698 Composite numbers k == 1 (mod 4) such that (1 + i)^k == 1 + i (mod k), where i = sqrt(-1).

Table of values

n a(n)
1 561
2 1105
3 1729
4 1905
5 2465
6 3277
7 4033
8 4681
9 6601
10 8321
11 8481
12 10585
13 12801
14 15841
15 16705
16 18705
17 25761
18 29341
19 30121
20 33153
21 34945
22 41041
23 46657
24 49141
25 52633
26 62745
27 65281
28 74665
29 75361
30 80581
31 85489
32 87249
33 88357
34 104653
35 113201
36 115921
37 126217
38 129921

List of values

[561, 1105, 1729, 1905, 2465, 3277, 4033, 4681, 6601, 8321, 8481, 10585, 12801, 15841, 16705, 18705, 25761, 29341, 30121, 33153, 34945, 41041, 46657, 49141, 52633, 62745, 65281, 74665, 75361, 80581, 85489, 87249, 88357, 104653, 113201, 115921, 126217, 129921]