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.

A330133 a(n) = (1/16)*(5 + (-1)^(1+n) - 4*cos(n*Pi/2) + 10*n^2).

Table of values

n a(n)
0 0
1 1
2 3
3 6
4 10
5 16
6 23
7 31
8 40
9 51
10 63
11 76
12 90
13 106
14 123
15 141
16 160
17 181
18 203
19 226
20 250
21 276
22 303
23 331
24 360
25 391
26 423
27 456
28 490
29 526
30 563
31 601
32 640
33 681
34 723
35 766
36 810
37 856
38 903
39 951
40 1000
41 1051
42 1103
43 1156
44 1210
45 1266
46 1323
47 1381
48 1440
49 1501
50 1563
51 1626
52 1690
53 1756

List of values

[0, 1, 3, 6, 10, 16, 23, 31, 40, 51, 63, 76, 90, 106, 123, 141, 160, 181, 203, 226, 250, 276, 303, 331, 360, 391, 423, 456, 490, 526, 563, 601, 640, 681, 723, 766, 810, 856, 903, 951, 1000, 1051, 1103, 1156, 1210, 1266, 1323, 1381, 1440, 1501, 1563, 1626, 1690, 1756]