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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.

A100315 Number of 3 X n 0-1 matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (00;1), (01;0), (10;0) and (01;1).

Table of values

n a(n)
0 1
1 8
2 14
3 22
4 34
5 54
6 90
7 158
8 290
9 550
10 1066
11 2094
12 4146
13 8246
14 16442
15 32830
16 65602
17 131142
18 262218
19 524366
20 1048658
21 2097238
22 4194394
23 8388702
24 16777314
25 33554534
26 67108970
27 134217838
28 268435570
29 536871030
30 1073741946
31 2147483774
32 4294967426
33 8589934726

List of values

[1, 8, 14, 22, 34, 54, 90, 158, 290, 550, 1066, 2094, 4146, 8246, 16442, 32830, 65602, 131142, 262218, 524366, 1048658, 2097238, 4194394, 8388702, 16777314, 33554534, 67108970, 134217838, 268435570, 536871030, 1073741946, 2147483774, 4294967426, 8589934726]

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

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