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.

A159927 Triangle read by rows: a(1,1) = 1. a(m,m) = sum of all terms in rows 1 through m-1. a(m,n) = a(m-1,n) + (sum of all terms in rows 1 through m-1), for n < m.

Table of values

n a(n)
1 1
2 2
3 1
4 6
5 5
6 4
7 25
8 24
9 23
10 19
11 135
12 134
13 133
14 129
15 110
16 886
17 885
18 884
19 880
20 861
21 751
22 6784
23 6783
24 6782
25 6778
26 6759
27 6649
28 5898
29 59115
30 59114
31 59113
32 59109
33 59090
34 58980
35 58229
36 52331
37 576527
38 576526
39 576525
40 576521
41 576502
42 576392
43 575641
44 569743

List of values

[1, 2, 1, 6, 5, 4, 25, 24, 23, 19, 135, 134, 133, 129, 110, 886, 885, 884, 880, 861, 751, 6784, 6783, 6782, 6778, 6759, 6649, 5898, 59115, 59114, 59113, 59109, 59090, 58980, 58229, 52331, 576527, 576526, 576525, 576521, 576502, 576392, 575641, 569743]