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.

A207401 Number of n X 6 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.

Table of values

n a(n)
1 16
2 256
3 1296
4 4356
5 11664
6 26896
7 55696
8 106276
9 190096
10 322624
11 524176
12 820836
13 1245456
14 1838736
15 2650384
16 3740356
17 5180176
18 7054336
19 9461776
20 12517444
21 16353936
22 21123216
23 26998416
24 34175716
25 42876304
26 53348416
27 65869456
28 80748196

List of values

[16, 256, 1296, 4356, 11664, 26896, 55696, 106276, 190096, 322624, 524176, 820836, 1245456, 1838736, 2650384, 3740356, 5180176, 7054336, 9461776, 12517444, 16353936, 21123216, 26998416, 34175716, 42876304, 53348416, 65869456, 80748196]

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

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