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.

A251225 Number of (n+1)X(5+1) 0..1 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.

Table of values

n a(n)
1 2084
2 72985
3 2515011
4 87024544
5 3007738372
6 103986727042
7 3594807908974
8 124275144041759
9 4296252165879236
10 148523812761431640
11 5134547519926425245
12 177504075991625903000
13 6136411350172751480986
14 212139042310887309043390

List of values

[2084, 72985, 2515011, 87024544, 3007738372, 103986727042, 3594807908974, 124275144041759, 4296252165879236, 148523812761431640, 5134547519926425245, 177504075991625903000, 6136411350172751480986, 212139042310887309043390]

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

Content is available under The OEIS End-User License Agreement.