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.

A120162 a(n) = 3 + floor((2 + Sum_{j=1..n-1} a(j))/4).

Table of values

n a(n)
1 3
2 4
3 5
4 6
5 8
6 10
7 12
8 15
9 19
10 24
11 30
12 37
13 46
14 58
15 72
16 90
17 113
18 141
19 176
20 220
21 275
22 344
23 430
24 538
25 672
26 840
27 1050
28 1313
29 1641
30 2051
31 2564
32 3205
33 4006
34 5008
35 6260
36 7825
37 9781
38 12226
39 15283
40 19103

List of values

[3, 4, 5, 6, 8, 10, 12, 15, 19, 24, 30, 37, 46, 58, 72, 90, 113, 141, 176, 220, 275, 344, 430, 538, 672, 840, 1050, 1313, 1641, 2051, 2564, 3205, 4006, 5008, 6260, 7825, 9781, 12226, 15283, 19103]