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.

A199528 Number of -6..6 arrays x(0..n-1) of n elements with zero sum and no two consecutive zero elements.

Table of values

n a(n)
1 1
2 12
3 126
4 1432
5 16682
6 197962
7 2378412
8 28844590
9 352355640
10 4329146404
11 53439881140
12 662256127274
13 8234161234932
14 102668802658902
15 1283270183281782
16 16074009129375488
17 201718956009659774
18 2535677513896048744

List of values

[1, 12, 126, 1432, 16682, 197962, 2378412, 28844590, 352355640, 4329146404, 53439881140, 662256127274, 8234161234932, 102668802658902, 1283270183281782, 16074009129375488, 201718956009659774, 2535677513896048744]

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

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