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.

A120168 a(n) = 11 + floor(Sum_{j-1..n-1} a(j)/4).

Table of values

n a(n)
1 11
2 13
3 17
4 21
5 26
6 33
7 41
8 51
9 64
10 80
11 100
12 125
13 156
14 195
15 244
16 305
17 381
18 476
19 595
20 744
21 930
22 1163
23 1453
24 1817
25 2271
26 2839
27 3548
28 4435
29 5544
30 6930
31 8663
32 10828
33 13535
34 16919
35 21149
36 26436
37 33045
38 41306
39 51633
40 64541

List of values

[11, 13, 17, 21, 26, 33, 41, 51, 64, 80, 100, 125, 156, 195, 244, 305, 381, 476, 595, 744, 930, 1163, 1453, 1817, 2271, 2839, 3548, 4435, 5544, 6930, 8663, 10828, 13535, 16919, 21149, 26436, 33045, 41306, 51633, 64541]