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.

A202249 Number of zero-sum -5..5 arrays of n elements with adjacent element differences also in -5..5.

Table of values

n a(n)
1 1
2 5
3 41
4 309
5 2385
6 18841
7 150523
8 1212443
9 9832015
10 80165217
11 656550255
12 5397261675
13 44510060161
14 368068132303
15 3050896796199
16 25341289818675
17 210875713442797
18 1757652942915635
19 14671489102807881
20 122627141004142679

List of values

[1, 5, 41, 309, 2385, 18841, 150523, 1212443, 9832015, 80165217, 656550255, 5397261675, 44510060161, 368068132303, 3050896796199, 25341289818675, 210875713442797, 1757652942915635, 14671489102807881, 122627141004142679]

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

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