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.

A202196 Number of (n+2) X 4 binary arrays avoiding patterns 001 and 101 in rows and columns.

Table of values

n a(n)
1 240
2 640
3 1400
4 2688
5 4704
6 7680
7 11880
8 17600
9 25168
10 34944
11 47320
12 62720
13 81600
14 104448
15 131784
16 164160
17 202160
18 246400
19 297528
20 356224
21 423200
22 499200
23 585000
24 681408
25 789264
26 909440
27 1042840
28 1190400
29 1353088
30 1531904
31 1727880
32 1942080

List of values

[240, 640, 1400, 2688, 4704, 7680, 11880, 17600, 25168, 34944, 47320, 62720, 81600, 104448, 131784, 164160, 202160, 246400, 297528, 356224, 423200, 499200, 585000, 681408, 789264, 909440, 1042840, 1190400, 1353088, 1531904, 1727880, 1942080]

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

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