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.

A208375 Number of n X 4 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 1 vertically.

Table of values

n a(n)
1 10
2 100
3 240
4 420
5 640
6 900
7 1200
8 1540
9 1920
10 2340
11 2800
12 3300
13 3840
14 4420
15 5040
16 5700
17 6400
18 7140
19 7920
20 8740
21 9600
22 10500
23 11440
24 12420
25 13440
26 14500
27 15600
28 16740
29 17920
30 19140
31 20400
32 21700
33 23040
34 24420
35 25840
36 27300
37 28800
38 30340
39 31920
40 33540

List of values

[10, 100, 240, 420, 640, 900, 1200, 1540, 1920, 2340, 2800, 3300, 3840, 4420, 5040, 5700, 6400, 7140, 7920, 8740, 9600, 10500, 11440, 12420, 13440, 14500, 15600, 16740, 17920, 19140, 20400, 21700, 23040, 24420, 25840, 27300, 28800, 30340, 31920, 33540]