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.

A115270 Diagonal sums of correlation triangle for floor((n+4)/4).

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 5
5 6
6 9
7 11
8 16
9 19
10 25
11 30
12 39
13 45
14 56
15 65
16 80
17 91
18 109
19 124
20 147
21 165
22 192
23 215
24 249
25 276
26 315
27 349
28 396
29 435
30 489
31 536
32 600
33 654
34 726
35 790
36 874
37 946
38 1040
39 1124
40 1232

List of values

[1, 1, 2, 3, 5, 6, 9, 11, 16, 19, 25, 30, 39, 45, 56, 65, 80, 91, 109, 124, 147, 165, 192, 215, 249, 276, 315, 349, 396, 435, 489, 536, 600, 654, 726, 790, 874, 946, 1040, 1124, 1232]