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.

A199703 Number of -7..7 arrays x(0..n-1) of n elements with zero sum and no two neighbors equal.

Table of values

n a(n)
1 1
2 14
3 156
4 1940
5 24394
6 314532
7 4099204
8 53901956
9 713719390
10 9503449352
11 127119684220
12 1706849222504
13 22991898594206
14 310564824249656
15 4205016717658718
16 57054704774633892
17 775562100878527252

List of values

[1, 14, 156, 1940, 24394, 314532, 4099204, 53901956, 713719390, 9503449352, 127119684220, 1706849222504, 22991898594206, 310564824249656, 4205016717658718, 57054704774633892, 775562100878527252]

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

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