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.

A340441 Square array, read by ascending antidiagonals, where row n gives all odd solutions k > 1 and n > 0 to A000120(2*n+1) = A000120((2*n+1)*k), A000120 is the Hamming weight.

Table of values

n a(n)
1 3
2 13
3 11
4 3
5 205
6 43
7 57
8 5
9 3277
10 171
11 35
12 3641
13 7
14 52429
15 683
16 21
17 47
18 233017
19 19
20 838861
21 2731
22 3
23 79
24 99
25 14913081
26 23
27 13421773
28 10923
29 241
30 5
31 197
32 187
33 954437177
34 37
35 214748365
36 43691
37 7
38 61681
39 7
40 325
41 419
42 61083979321
43 39
44 3435973837
45 174763

List of values

[3, 13, 11, 3, 205, 43, 57, 5, 3277, 171, 35, 3641, 7, 52429, 683, 21, 47, 233017, 19, 838861, 2731, 3, 79, 99, 14913081, 23, 13421773, 10923, 241, 5, 197, 187, 954437177, 37, 214748365, 43691, 7, 61681, 7, 325, 419, 61083979321, 39, 3435973837, 174763]