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.

A257867 Nonnegative integers n such that in balanced ternary representation the number of occurrences of each trit doubles when n is squared.

Table of values

n a(n)
1 314
2 942
3 2824
4 2826
5 2854
6 3074
7 3130
8 3212
9 8066
10 8090
11 8096
12 8170
13 8224
14 8324
15 8426
16 8450
17 8472
18 8478
19 8480
20 8512
21 8534
22 8562
23 8578
24 8588
25 8656
26 9222
27 9224
28 9390
29 9404
30 9636
31 9638
32 24198
33 24206
34 24270
35 24288
36 24510
37 24670
38 24672
39 24674
40 24676
41 24802
42 24972

List of values

[314, 942, 2824, 2826, 2854, 3074, 3130, 3212, 8066, 8090, 8096, 8170, 8224, 8324, 8426, 8450, 8472, 8478, 8480, 8512, 8534, 8562, 8578, 8588, 8656, 9222, 9224, 9390, 9404, 9636, 9638, 24198, 24206, 24270, 24288, 24510, 24670, 24672, 24674, 24676, 24802, 24972]