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.

A208836 Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 1 and 1 1 0 vertically.

Table of values

n a(n)
1 10
2 100
3 282
4 855
5 3010
6 11242
7 44275
8 179032
9 737550
10 3070375
11 12868830
12 54154926
13 228475507
14 965411356
15 4083220786
16 17280246775
17 73157026602
18 309784875682
19 1311973439667
20 5556832891632
21 23537091290566
22 99699402777415

List of values

[10, 100, 282, 855, 3010, 11242, 44275, 179032, 737550, 3070375, 12868830, 54154926, 228475507, 965411356, 4083220786, 17280246775, 73157026602, 309784875682, 1311973439667, 5556832891632, 23537091290566, 99699402777415]

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

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