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.

A201492 Number of n X 4 zero-sum -2..2 arrays with rows and columns lexicographically nondecreasing.

Table of values

n a(n)
1 8
2 1454
3 301432
4 50432052
5 6697376240
6 732383803600
7 68110029402413
8 5516712973977104
9 396137884984421823
10 25563298281912009949
11 1498543207391775400633
12 80501743778622446236710

List of values

[8, 1454, 301432, 50432052, 6697376240, 732383803600, 68110029402413, 5516712973977104, 396137884984421823, 25563298281912009949, 1498543207391775400633, 80501743778622446236710]

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

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