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.

A188838 Number of n X 4 binary arrays without the pattern 0 1 diagonally or vertically.

Table of values

n a(n)
1 16
2 55
3 121
4 221
5 364
6 560
7 820
8 1156
9 1581
10 2109
11 2755
12 3535
13 4466
14 5566
15 6854
16 8350
17 10075
18 12051
19 14301
20 16849
21 19720
22 22940
23 26536
24 30536
25 34969
26 39865
27 45255
28 51171
29 57646
30 64714
31 72410
32 80770
33 89831
34 99631
35 110209
36 121605
37 133860
38 147016
39 161116

List of values

[16, 55, 121, 221, 364, 560, 820, 1156, 1581, 2109, 2755, 3535, 4466, 5566, 6854, 8350, 10075, 12051, 14301, 16849, 19720, 22940, 26536, 30536, 34969, 39865, 45255, 51171, 57646, 64714, 72410, 80770, 89831, 99631, 110209, 121605, 133860, 147016, 161116]

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

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