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.

A173254 a(n) = a(n-1) + a(n-2) - [a(n-2)/2] - [a(n-4)/2].

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 4
5 6
6 7
7 9
8 11
9 13
10 16
11 19
12 22
13 26
14 29
15 33
16 37
17 41
18 46
19 51
20 56
21 62
22 67
23 73
24 79
25 85
26 92
27 99
28 106
29 114
30 121
31 129
32 137
33 145
34 154
35 163
36 172
37 182
38 191
39 201
40 211
41 221
42 232
43 243
44 254
45 266
46 277
47 289
48 301
49 313
50 326

List of values

[1, 1, 2, 3, 4, 6, 7, 9, 11, 13, 16, 19, 22, 26, 29, 33, 37, 41, 46, 51, 56, 62, 67, 73, 79, 85, 92, 99, 106, 114, 121, 129, 137, 145, 154, 163, 172, 182, 191, 201, 211, 221, 232, 243, 254, 266, 277, 289, 301, 313, 326]