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.

A337497 a(n) is the smallest integer k with exactly n bases b such that k in base b contains the digit b-1; or -1 if there is no such integer.

Table of values

n a(n)
0 0
1 1
2 2
3 5
4 7
5 11
6 19
7 39
8 23
9 69
10 103
11 47
12 59
13 125
14 95
15 143
16 119
17 179
18 299
19 251
20 335
21 527
22 239
23 419
24 599
25 359
26 479
27 1019
28 671
29 1619
30 1727
31 959
32 719
33 1319
34 839
35 2039
36 1259
37 2771
38 2339
39 2099
40 1439
41 5471
42 1679
43 2159
44 3695
45 3599
46 2879
47 5939
48 3779
49 2519
50 4619
51 3359
52 4319

List of values

[0, 1, 2, 5, 7, 11, 19, 39, 23, 69, 103, 47, 59, 125, 95, 143, 119, 179, 299, 251, 335, 527, 239, 419, 599, 359, 479, 1019, 671, 1619, 1727, 959, 719, 1319, 839, 2039, 1259, 2771, 2339, 2099, 1439, 5471, 1679, 2159, 3695, 3599, 2879, 5939, 3779, 2519, 4619, 3359, 4319]