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.

A235676 Number of (n+1)X(5+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.

Table of values

n a(n)
1 2644
2 101398
3 3824528
4 143484144
5 5376199876
6 201368802704
7 7541722428052
8 282448223982692
9 10578025710796398
10 396159194076516486
11 14836610532891874266
12 555647815868404968230
13 20809637555870658166622

List of values

[2644, 101398, 3824528, 143484144, 5376199876, 201368802704, 7541722428052, 282448223982692, 10578025710796398, 396159194076516486, 14836610532891874266, 555647815868404968230, 20809637555870658166622]

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

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