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.

A241136 Number of nX5 0..2 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..2 introduced in row major order.

Table of values

n a(n)
1 3
2 56
3 935
4 19619
5 434444
6 9958520
7 230889822
8 5392206371
9 126282435834
10 2961490680709
11 69496584116858
12 1631338280892936
13 38298741469181591
14 899193676958891448
15 21112270301566616904
16 495704295580513197709

List of values

[3, 56, 935, 19619, 434444, 9958520, 230889822, 5392206371, 126282435834, 2961490680709, 69496584116858, 1631338280892936, 38298741469181591, 899193676958891448, 21112270301566616904, 495704295580513197709]

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

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