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.

A219425 Unchanging value maps: number of 5 X n binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 5 X n array.

Table of values

n a(n)
1 1
2 200
3 2043
4 28888
5 372560
6 4775307
7 61543422
8 796901866
9 10332516216
10 133871792745
11 1733790943515
12 22454270113272
13 290832016789657
14 3766998295859184
15 48791165925094356
16 631950081288077455

List of values

[1, 200, 2043, 28888, 372560, 4775307, 61543422, 796901866, 10332516216, 133871792745, 1733790943515, 22454270113272, 290832016789657, 3766998295859184, 48791165925094356, 631950081288077455]

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

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