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.

A222951 Number of nX3 0..3 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope.

Table of values

n a(n)
1 0
2 2256
3 125664
4 8579208
5 436075392
6 25670781880
7 1318401732192
8 74325398290456
9 3851979765811744
10 213021713761427836
11 11107559755380176496
12 607834111663512093200
13 31825816417857647397600
14 1730405083684853119755316

List of values

[0, 2256, 125664, 8579208, 436075392, 25670781880, 1318401732192, 74325398290456, 3851979765811744, 213021713761427836, 11107559755380176496, 607834111663512093200, 31825816417857647397600, 1730405083684853119755316]

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

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