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.

A202959 Number of arrays of n+2 integers in -5..5 with sum zero and adjacent elements differing in absolute value.

Table of values

n a(n)
1 62
2 544
3 4048
4 33736
5 289536
6 2475008
7 21274708
8 184258272
9 1602929218
10 13990833912
11 122510857450
12 1075782280468
13 9468706858932
14 83511798894532
15 737905024410346
16 6530699064229052
17 57882816085025096
18 513698095091077304

List of values

[62, 544, 4048, 33736, 289536, 2475008, 21274708, 184258272, 1602929218, 13990833912, 122510857450, 1075782280468, 9468706858932, 83511798894532, 737905024410346, 6530699064229052, 57882816085025096, 513698095091077304]