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.

A210419 List the positions of all digits 5 in the concatenation of all terms, not necessarily in order. This is the lexicographically earliest such sequence.

Table of values

n a(n)
1 2
2 5
3 4
4 55
5 7
6 50
7 11
8 51
9 15
10 52
11 14
12 21
13 53
14 25
15 54
16 24
17 31
18 56
19 35
20 57
21 34
22 41
23 58
24 45
25 59
26 44
27 65
28 555
29 5555
30 550
31 63
32 505
33 68
34 500
35 73
36 501
37 78
38 502
39 83
40 503
41 88
42 504
43 93
44 506
45 98
46 507
47 104
48 508
49 110
50 509
51 115
52 119
53 510
54 125
55 511
56 124
57 134
58 512
59 140
60 513

List of values

[2, 5, 4, 55, 7, 50, 11, 51, 15, 52, 14, 21, 53, 25, 54, 24, 31, 56, 35, 57, 34, 41, 58, 45, 59, 44, 65, 555, 5555, 550, 63, 505, 68, 500, 73, 501, 78, 502, 83, 503, 88, 504, 93, 506, 98, 507, 104, 508, 110, 509, 115, 119, 510, 125, 511, 124, 134, 512, 140, 513]