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.

A224841 Triangle T(n,k) read by rows: Substring of k digits of sequence A007376, ending at position n, 1 <= k <= n.

Table of values

n a(n)
1 1
2 2
3 12
4 3
5 23
6 123
7 4
8 34
9 234
10 1234
11 5
12 45
13 345
14 2345
15 12345
16 6
17 56
18 456
19 3456
20 23456
21 123456
22 7
23 67
24 567
25 4567
26 34567
27 234567
28 1234567
29 8
30 78
31 678
32 5678
33 45678
34 345678
35 2345678
36 12345678
37 9
38 89
39 789
40 6789
41 56789
42 456789
43 3456789
44 23456789
45 123456789

List of values

[1, 2, 12, 3, 23, 123, 4, 34, 234, 1234, 5, 45, 345, 2345, 12345, 6, 56, 456, 3456, 23456, 123456, 7, 67, 567, 4567, 34567, 234567, 1234567, 8, 78, 678, 5678, 45678, 345678, 2345678, 12345678, 9, 89, 789, 6789, 56789, 456789, 3456789, 23456789, 123456789]