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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.

A247557 Number of rectangles formed by the absolute leader classes of the seven-dimensional integer lattice as a function of the infinity norm n and having a unique perimeter, where the rectangles have one common lattice point being the origin of the seven-dimensional integer lattice.

Table of values

n a(n)
1 1
2 7
3 26
4 79
5 182
6 333
7 693
8 1180
9 1999
10 3247

List of values

[1, 7, 26, 79, 182, 333, 693, 1180, 1999, 3247]

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

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