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.

A301606 Number of nX6 0..1 arrays with every element equal to 0, 2 or 3 horizontally or vertically adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 10
3 26
4 226
5 1297
6 8888
7 60841
8 421168
9 2940940
10 20639456
11 145157471
12 1021952648
13 7197614571
14 50704160874
15 357234289578
16 2517047832160
17 17735602594473
18 124970744650942
19 880592489506775
20 6205028171908948

List of values

[1, 10, 26, 226, 1297, 8888, 60841, 421168, 2940940, 20639456, 145157471, 1021952648, 7197614571, 50704160874, 357234289578, 2517047832160, 17735602594473, 124970744650942, 880592489506775, 6205028171908948]

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

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