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.

A262918 Number of (4+1) X (n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits.

Table of values

n a(n)
1 5
2 9
3 53
4 137
5 853
6 2953
7 17333
8 71721
9 394325
10 1791209
11 9435253
12 44924617
13 230950613
14 1126125513
15 5713545653
16 28200027881
17 142082597845
18 705663892009
19 3542422689653
20 17650591452297
21 88436516562773
22 441384307595273

List of values

[5, 9, 53, 137, 853, 2953, 17333, 71721, 394325, 1791209, 9435253, 44924617, 230950613, 1126125513, 5713545653, 28200027881, 142082597845, 705663892009, 3542422689653, 17650591452297, 88436516562773, 441384307595273]

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

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