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.

A248995 Number of length n+4 0..2 arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two.

Table of values

n a(n)
1 190
2 464
3 1140
4 2802
5 6872
6 16800
7 41084
8 100590
9 246378
10 603406
11 1477382
12 3616932
13 8855718
14 21683810
15 53094696
16 130003772
17 318312974
18 779389186
19 1908348180
20 4672636566
21 11441043846
22 28013571820
23 68591653930
24 167947819478

List of values

[190, 464, 1140, 2802, 6872, 16800, 41084, 100590, 246378, 603406, 1477382, 3616932, 8855718, 21683810, 53094696, 130003772, 318312974, 779389186, 1908348180, 4672636566, 11441043846, 28013571820, 68591653930, 167947819478]