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.

A293086 Number of n X 7 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Table of values

n a(n)
1 3
2 2103
3 246852
4 28709764
5 3370860734
6 400400301913
7 48001754870966
8 5797084510052322
9 704256987414278983
10 85972707914136829157
11 10537720695667977589004
12 1296036949777139758454158

List of values

[3, 2103, 246852, 28709764, 3370860734, 400400301913, 48001754870966, 5797084510052322, 704256987414278983, 85972707914136829157, 10537720695667977589004, 1296036949777139758454158]

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

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