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.

A025503 Least k such that the first k terms of the Kolakoski sequence (A000002) contain n more 2's than 1's.

Table of values

n a(n)
1 3
2 12
3 93
4 378
5 471
6 6352
7 6969
8 7176
9 7269
10 7566
11 7971
12 20338
13 20371
14 21982
15 22009
16 25638
17 25665
18 25692
19 27969
20 39184
21 39211
22 42398
23 43129
24 43150
25 48637
26 48730
27 48757
28 49014
29 49041
30 49068
31 49095
32 49864
33 50081
34 50090
35 50387
36 50414
37 50959
38 51344
39 52243

List of values

[3, 12, 93, 378, 471, 6352, 6969, 7176, 7269, 7566, 7971, 20338, 20371, 21982, 22009, 25638, 25665, 25692, 27969, 39184, 39211, 42398, 43129, 43150, 48637, 48730, 48757, 49014, 49041, 49068, 49095, 49864, 50081, 50090, 50387, 50414, 50959, 51344, 52243]