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.

A208504 Number of 6 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 1 1 vertically.

Table of values

n a(n)
1 19
2 361
3 456
4 1406
5 4104
6 12654
7 37430
8 114494
9 341012
10 1037552
11 3103650
12 9410776
13 28227958
14 85405038
15 256622854
16 775344932
17 2332325696
18 7040506202
19 21193626760
20 63940325966
21 192562547974
22 580744761326
23 1749471290612
24 5274981085968

List of values

[19, 361, 456, 1406, 4104, 12654, 37430, 114494, 341012, 1037552, 3103650, 9410776, 28227958, 85405038, 256622854, 775344932, 2332325696, 7040506202, 21193626760, 63940325966, 192562547974, 580744761326, 1749471290612, 5274981085968]

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

Content is available under The OEIS End-User License Agreement.