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.

A248458 Number of length n+2 0..5 arrays with no three consecutive terms having the sum of any two elements equal to twice the third.

Table of values

n a(n)
1 174
2 862
3 4272
4 21182
5 105026
6 520788
7 2582406
8 12805334
9 63497776
10 314866606
11 1561330890
12 7742183252
13 38391228334
14 190370917646
15 943993962960
16 4680991358518
17 23211674211122
18 115099939580084
19 570747116572614

List of values

[174, 862, 4272, 21182, 105026, 520788, 2582406, 12805334, 63497776, 314866606, 1561330890, 7742183252, 38391228334, 190370917646, 943993962960, 4680991358518, 23211674211122, 115099939580084, 570747116572614]