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.

A026573 a(n)=T(n,n-4), T given by A026568. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=4.

Table of values

n a(n)
4 1
5 3
6 12
7 34
8 103
9 281
10 778
11 2072
12 5524
13 14488
14 37918
15 98474
16 255137
17 658351
18 1695542
19 4356520
20 11177720
21 28637452
22 73294698
23 187412326
24 478861373
25 1222765699
26 3120722598
27 7961152560
28 20302100415
29 51757554237

List of values

[1, 3, 12, 34, 103, 281, 778, 2072, 5524, 14488, 37918, 98474, 255137, 658351, 1695542, 4356520, 11177720, 28637452, 73294698, 187412326, 478861373, 1222765699, 3120722598, 7961152560, 20302100415, 51757554237]