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.

A218848 Unmatched value maps: number of 7Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 7Xn array.

Table of values

n a(n)
1 1
2 1897
3 44857
4 1842766
5 58634265
6 1948262831
7 64756459689
8 2158022097024
9 72005693397249
10 2401007959333366
11 80020956182679940
12 2666324484059219950
13 88840855997887519080
14 2960140859490010750266
15 98629740626776522570263

List of values

[1, 1897, 44857, 1842766, 58634265, 1948262831, 64756459689, 2158022097024, 72005693397249, 2401007959333366, 80020956182679940, 2666324484059219950, 88840855997887519080, 2960140859490010750266, 98629740626776522570263]

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

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