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.

A280960 Number of nX7 0..2 arrays with no element equal to more than one of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 224
2 23593
3 402077
4 9986376
5 251270618
6 6052621154
7 148137367471
8 3624578433814
9 88500510514256
10 2162800206884214
11 52848406746190667
12 1291317121466531838
13 31553229218022226192
14 770996700142671487457

List of values

[224, 23593, 402077, 9986376, 251270618, 6052621154, 148137367471, 3624578433814, 88500510514256, 2162800206884214, 52848406746190667, 1291317121466531838, 31553229218022226192, 770996700142671487457]

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

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