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.

A219427 Unchanging value maps: number of 7Xn binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 7Xn array.

Table of values

n a(n)
1 1
2 1897
3 44857
4 1842766
5 65352789
6 2284814260
7 80311501599
8 2846763071615
9 101180231915225
10 3593093772421047
11 127477235143792772
12 4521648074836617071
13 160404051239506589127
14 5690803494953995807634

List of values

[1, 1897, 44857, 1842766, 65352789, 2284814260, 80311501599, 2846763071615, 101180231915225, 3593093772421047, 127477235143792772, 4521648074836617071, 160404051239506589127, 5690803494953995807634]

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

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