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.

A223070 Number of nX3 0..3 arrays with successive rows and columns fitting to straight lines with nondecreasing slope, with a single point array taken as having zero slope.

Table of values

n a(n)
1 64
2 1080
3 38512
4 899390
5 22520656
6 462313688
7 9567328752
8 178464221290
9 3336648010448
10 58641450033936
11 1033599371410096
12 17499076161248060
13 297470720803662048
14 4917593684170711306
15 81699455573347788176

List of values

[64, 1080, 38512, 899390, 22520656, 462313688, 9567328752, 178464221290, 3336648010448, 58641450033936, 1033599371410096, 17499076161248060, 297470720803662048, 4917593684170711306, 81699455573347788176]

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

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