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.

A269197 Number of n X 4 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once.

Table of values

n a(n)
1 216
2 9612
3 400428
4 15289548
5 555862380
6 19558138380
7 672230393004
8 22702294138188
9 756261535626732
10 24917784636315276
11 813662963240248620
12 26370904678702613964
13 849277413026034547308
14 27202597468298860880652

List of values

[216, 9612, 400428, 15289548, 555862380, 19558138380, 672230393004, 22702294138188, 756261535626732, 24917784636315276, 813662963240248620, 26370904678702613964, 849277413026034547308, 27202597468298860880652]

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

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