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.

A267791 Number of 5Xn 0..1 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.

Table of values

n a(n)
1 12
2 144
3 1728
4 14956
5 122770
6 912667
7 6484282
8 44116906
9 291598056
10 1881990170
11 11929079568
12 74523706754
13 460243376586
14 2816128573885
15 17102667014556
16 103235741899301
17 620066832024346
18 3709209084709809
19 22114443898367338

List of values

[12, 144, 1728, 14956, 122770, 912667, 6484282, 44116906, 291598056, 1881990170, 11929079568, 74523706754, 460243376586, 2816128573885, 17102667014556, 103235741899301, 620066832024346, 3709209084709809, 22114443898367338]

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

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