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.

A068283 1/4 the number of colorings of an n X n staggered hexagonal array with 4 colors.

Table of values

n a(n)
1 1
2 12
3 264
4 11424
5 1009608
6 185900256
7 71883991272
8 58646051219616
9 101273697848025960
10 370689919380760915680
11 2880341312871966116331528
12 47562687666338563715921774496

List of values

[1, 12, 264, 11424, 1009608, 185900256, 71883991272, 58646051219616, 101273697848025960, 370689919380760915680, 2880341312871966116331528, 47562687666338563715921774496]

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

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