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.

A254169 Number of (2+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Table of values

n a(n)
1 3036
2 23660
3 164408
4 1078032
5 6831024
6 41678024
7 251430924
8 1509107876
9 9050890564
10 54337026684
11 326446356700
12 1962472283332
13 11801023646284
14 70973760221804
15 426874983655444
16 2567503678416152
17 15442742976914288

List of values

[3036, 23660, 164408, 1078032, 6831024, 41678024, 251430924, 1509107876, 9050890564, 54337026684, 326446356700, 1962472283332, 11801023646284, 70973760221804, 426874983655444, 2567503678416152, 15442742976914288]

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

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