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.

A231937 Number of n X 4 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

Table of values

n a(n)
1 50
2 5070
3 206808
4 11159202
5 518972238
6 23280281589
7 1098832065447
8 52087504055935
9 2432351670277323
10 113769979092350975
11 5346219822861215921
12 250967014555486774293
13 11767760181894477862270
14 552098639482903392844421

List of values

[50, 5070, 206808, 11159202, 518972238, 23280281589, 1098832065447, 52087504055935, 2432351670277323, 113769979092350975, 5346219822861215921, 250967014555486774293, 11767760181894477862270, 552098639482903392844421]

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

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