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.

A208381 Number of 5 X n 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 1 vertically.

Table of values

n a(n)
1 10
2 100
3 144
4 640
5 2176
6 7072
7 25200
8 87040
9 296560
10 1028128
11 3545856
12 12198016
13 42085264
14 145092160
15 499958928
16 1723635712
17 5941670272
18 20479942816
19 70597050480
20 243353573632
21 838843117552
22 2891546321440
23 9967326856704

List of values

[10, 100, 144, 640, 2176, 7072, 25200, 87040, 296560, 1028128, 3545856, 12198016, 42085264, 145092160, 499958928, 1723635712, 5941670272, 20479942816, 70597050480, 243353573632, 838843117552, 2891546321440, 9967326856704]

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

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