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.

A078101 1/6 of the number of ways of 3-coloring an (n-1) X n grid.

Table of values

n a(n)
2 1
3 9
4 187
5 9075
6 1034073
7 277458045
8 175605187731
9 262459366542859
10 927063711694234937
11 7743238400519517700687
12 152996488947929392223648350
13 7153582340115101979222478030231
14 791692010951982239786844983500390201
15 207426783553049237691620430245372971070275

List of values

[1, 9, 187, 9075, 1034073, 277458045, 175605187731, 262459366542859, 927063711694234937, 7743238400519517700687, 152996488947929392223648350, 7153582340115101979222478030231, 791692010951982239786844983500390201, 207426783553049237691620430245372971070275]

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

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