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.

A116668 a(n) = (5*n^2 + n + 2)/2.

Table of values

n a(n)
0 1
1 4
2 12
3 25
4 43
5 66
6 94
7 127
8 165
9 208
10 256
11 309
12 367
13 430
14 498
15 571
16 649
17 732
18 820
19 913
20 1011
21 1114
22 1222
23 1335
24 1453
25 1576
26 1704
27 1837
28 1975
29 2118
30 2266
31 2419
32 2577
33 2740
34 2908
35 3081
36 3259
37 3442
38 3630
39 3823
40 4021
41 4224
42 4432
43 4645
44 4863
45 5086
46 5314
47 5547

List of values

[1, 4, 12, 25, 43, 66, 94, 127, 165, 208, 256, 309, 367, 430, 498, 571, 649, 732, 820, 913, 1011, 1114, 1222, 1335, 1453, 1576, 1704, 1837, 1975, 2118, 2266, 2419, 2577, 2740, 2908, 3081, 3259, 3442, 3630, 3823, 4021, 4224, 4432, 4645, 4863, 5086, 5314, 5547]