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.

A194539 Number of lower triangles of an n X n 0..7 array with new values introduced in row major order 0..7 and no element equal to more than one horizontal or vertical neighbor.

Table of values

n a(n)
1 1
2 4
3 132
4 68106
5 703256449
6 108504879480483
7 153378412416345530447

List of values

[1, 4, 132, 68106, 703256449, 108504879480483, 153378412416345530447]

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

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