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.

A231178 Let A={1,2,5,6,8,11,13,...} be the sequence of numbers k>=1 such that k+4 is evil (A001969), and let B be the complement of A. The sequence lists numbers for which the number of A-divisors equals number of B-divisors.

Table of values

n a(n)
1 1
2 9
3 49
4 289
5 324
6 676
7 961
8 1369
9 1849
10 3249
11 4356
12 6084
13 6889
14 7921
15 8281
16 8836
17 10609
18 11236
19 12769
20 14161
21 14884
22 15129
23 16129
24 17689
25 19321
26 21316
27 22500
28 22801
29 24649
30 25281
31 26569
32 27889
33 28561
34 30276
35 31329
36 32761
37 39601
38 44944
39 45369
40 45796
41 47524

List of values

[1, 9, 49, 289, 324, 676, 961, 1369, 1849, 3249, 4356, 6084, 6889, 7921, 8281, 8836, 10609, 11236, 12769, 14161, 14884, 15129, 16129, 17689, 19321, 21316, 22500, 22801, 24649, 25281, 26569, 27889, 28561, 30276, 31329, 32761, 39601, 44944, 45369, 45796, 47524]