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.

A280672 Number of nX7 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 224
2 61880
3 16438612
4 4460317695
5 1208240638772
6 327452072560351
7 88741877287328326
8 24049810737844448684
9 6517703746847251930646
10 1766353341829714295007100
11 478696830022637290656991583

List of values

[224, 61880, 16438612, 4460317695, 1208240638772, 327452072560351, 88741877287328326, 24049810737844448684, 6517703746847251930646, 1766353341829714295007100, 478696830022637290656991583]

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

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