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.

A302003 Number of 6Xn 0..1 arrays with every element equal to 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 0
2 89
3 155
4 530
5 17800
6 100176
7 1366374
8 12824770
9 133115004
10 1366157014
11 13941336537
12 143149041167
13 1463519003210
14 14995308550903
15 153525291778069
16 1572142108724428
17 16098534802420026
18 164847528194904576

List of values

[0, 89, 155, 530, 17800, 100176, 1366374, 12824770, 133115004, 1366157014, 13941336537, 143149041167, 1463519003210, 14995308550903, 153525291778069, 1572142108724428, 16098534802420026, 164847528194904576]

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

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