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.

A026053 (d(n)-r(n))/5, where d = A008778 and r is the periodic sequence with fundamental period (0,3,1,0,1).

Table of values

n a(n)
2 1
3 2
4 5
5 9
6 14
7 21
8 29
9 40
10 53
11 68
12 86
13 106
14 130
15 157
16 187
17 221
18 258
19 300
20 346
21 396
22 451
23 510
24 575
25 645
26 720
27 801
28 887
29 980
30 1079
31 1184
32 1296
33 1414
34 1540
35 1673
36 1813
37 1961
38 2116
39 2280
40 2452
41 2632
42 2821
43 3018
44 3225
45 3441
46 3666
47 3901
48 4145
49 4400
50 4665
51 4940
52 5226
53 5522
54 5830
55 6149
56 6479
57 6821

List of values

[1, 2, 5, 9, 14, 21, 29, 40, 53, 68, 86, 106, 130, 157, 187, 221, 258, 300, 346, 396, 451, 510, 575, 645, 720, 801, 887, 980, 1079, 1184, 1296, 1414, 1540, 1673, 1813, 1961, 2116, 2280, 2452, 2632, 2821, 3018, 3225, 3441, 3666, 3901, 4145, 4400, 4665, 4940, 5226, 5522, 5830, 6149, 6479, 6821]