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.

A102826 "True already", base 4, start 0: a(n) is the least integer such that the sequence up to a(n-1) written in base 4 contains floor(a(n)/4) copies of the digit a(n) % 4, with a(0) = 0.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 6
6 7
7 8
8 11
9 12
10 16
11 18
12 19
13 22
14 23
15 26
16 27
17 31
18 32
19 39
20 40
21 43
22 44
23 48
24 55
25 56
26 60
27 64
28 69
29 70
30 74
31 75
32 79
33 86
34 87
35 90
36 91
37 95
38 96
39 103
40 104
41 107
42 108
43 112
44 119
45 120
46 124
47 128
48 138
49 139
50 143
51 151
52 152
53 155
54 156
55 160
56 163
57 167
58 171
59 172
60 176

List of values

[0, 1, 2, 3, 4, 6, 7, 8, 11, 12, 16, 18, 19, 22, 23, 26, 27, 31, 32, 39, 40, 43, 44, 48, 55, 56, 60, 64, 69, 70, 74, 75, 79, 86, 87, 90, 91, 95, 96, 103, 104, 107, 108, 112, 119, 120, 124, 128, 138, 139, 143, 151, 152, 155, 156, 160, 163, 167, 171, 172, 176]