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.

A222950 Number of nX2 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
2 212
3 2256
4 36302
5 455904
6 6471572
7 84040156
8 1156716696
9 15178933676
10 206025068636
11 2712435820392
12 36611998287306
13 483144415956072
14 6500119089674696
15 85910716717515264
16 1153267214849914148

List of values

[0, 212, 2256, 36302, 455904, 6471572, 84040156, 1156716696, 15178933676, 206025068636, 2712435820392, 36611998287306, 483144415956072, 6500119089674696, 85910716717515264, 1153267214849914148]

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

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