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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.

A200551 Number of -6..6 arrays x(0..n+1) of n+2 elements with zero sum and nonzero second differences.

Table of values

n a(n)
1 114
2 1368
3 15476
4 178834
5 2076774
6 24378976
7 288237528
8 3427837106
9 40950125796
10 491063998130
11 5907663402532
12 71267752107030
13 861806880210532
14 10443265297671942
15 126784115884242080
16 1541722886174306634

List of values

[114, 1368, 15476, 178834, 2076774, 24378976, 288237528, 3427837106, 40950125796, 491063998130, 5907663402532, 71267752107030, 861806880210532, 10443265297671942, 126784115884242080, 1541722886174306634]

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

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