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.

A199829 Number of -5..5 arrays x(0..n+1) of n+2 elements with zero sum and no two neighbors summing to zero.

Table of values

n a(n)
1 70
2 660
3 5390
4 49302
5 462234
6 4340094
7 41008804
8 389832124
9 3723199342
10 35697026718
11 343371074564
12 3312138136660
13 32026131818486
14 310327172410762
15 3012628449222084
16 29294846427926718
17 285286085845772334

List of values

[70, 660, 5390, 49302, 462234, 4340094, 41008804, 389832124, 3723199342, 35697026718, 343371074564, 3312138136660, 32026131818486, 310327172410762, 3012628449222084, 29294846427926718, 285286085845772334]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.