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.

A263370 Number of (n+1)X(5+1) 0..2 arrays with each row and column divisible by 7, read as a base-3 number with top and left being the most significant digits.

Table of values

n a(n)
1 10
2 112
3 9888
4 826249
5 84790557
6 8491666657
7 883978450474
8 92359613590072
9 9695725030142616
10 1017738982928794777
11 106860144447454638429
12 11219638590333541521601
13 1178048734539490226212450

List of values

[10, 112, 9888, 826249, 84790557, 8491666657, 883978450474, 92359613590072, 9695725030142616, 1017738982928794777, 106860144447454638429, 11219638590333541521601, 1178048734539490226212450]

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

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