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.

A339379 Irregular triangle read by rows; the first row simply contains the value 1; given the succession of digits of the n-th row, say [d_0, ..., d_k], the (n+1)-th row is the succession of digits of [d_0, d_0+d_1, d_1+d_2, ..., d_{k-1}+d_k, d_k].

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 3
8 3
9 1
10 1
11 4
12 6
13 4
14 1
15 1
16 5
17 1
18 0
19 1
20 0
21 5
22 1
23 1
24 6
25 6
26 1
27 1
28 1
29 5
30 6
31 1
32 1
33 7
34 1
35 2
36 7
37 2
38 2
39 6
40 1
41 1
42 7
43 1
44 1
45 8
46 8
47 3
48 9
49 9
50 4
51 8
52 7
53 2
54 8
55 8
56 1
57 1
58 9
59 1
60 6
61 1
62 1
63 1
64 2
65 1
66 8
67 1
68 3
69 1
70 2
71 1
72 5
73 9
74 1
75 0
76 1
77 6
78 9
79 1

List of values

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 5, 1, 0, 1, 0, 5, 1, 1, 6, 6, 1, 1, 1, 5, 6, 1, 1, 7, 1, 2, 7, 2, 2, 6, 1, 1, 7, 1, 1, 8, 8, 3, 9, 9, 4, 8, 7, 2, 8, 8, 1, 1, 9, 1, 6, 1, 1, 1, 2, 1, 8, 1, 3, 1, 2, 1, 5, 9, 1, 0, 1, 6, 9, 1]