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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.

A200552 Number of -7..7 arrays x(0..n+1) of n+2 elements with zero sum and nonzero second differences.

Table of values

n a(n)
1 154
2 2134
3 27806
4 372150
5 5012084
6 68263780
7 936121220
8 12911643944
9 178893425570
10 2488110363432
11 34717386812304
12 485767803378730
13 6813227225653584
14 95761068651953630
15 1348433104134460586

List of values

[154, 2134, 27806, 372150, 5012084, 68263780, 936121220, 12911643944, 178893425570, 2488110363432, 34717386812304, 485767803378730, 6813227225653584, 95761068651953630, 1348433104134460586]

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

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