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.

A263369 Number of (n+1)X(4+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 5
2 29
3 865
4 24711
5 826249
6 27274339
7 943196037
8 32850517101
9 1149496602927
10 40220123519645
11 1407588920518393
12 49261304582570101
13 1724108144663303417
14 60343312266592642007
15 2112014898505756338577
16 73920482899832743087347

List of values

[5, 29, 865, 24711, 826249, 27274339, 943196037, 32850517101, 1149496602927, 40220123519645, 1407588920518393, 49261304582570101, 1724108144663303417, 60343312266592642007, 2112014898505756338577, 73920482899832743087347]

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

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