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.

A212940 Number of nX5 0..4 arrays with no column j greater than or equal to than column j-1 in all rows.

Table of values

n a(n)
1 1
2 1016501
3 10058484751
4 52311221188001
5 212180664326328751
6 764898125476357657001
7 2592491557886605293297751
8 8492622463881130571398876001
9 27285563319283684654297283766751

List of values

[1, 1016501, 10058484751, 52311221188001, 212180664326328751, 764898125476357657001, 2592491557886605293297751, 8492622463881130571398876001, 27285563319283684654297283766751]

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

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