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.

A188841 Number of n X 7 binary arrays without the pattern 0 1 diagonally or vertically.

Table of values

n a(n)
1 128
2 987
3 3280
4 7753
5 15504
6 28101
7 47652
8 76912
9 119416
10 179630
11 263120
12 376740
13 528840
14 729495
15 990756
16 1326924
17 1754848
18 2294248
19 2968064
20 3802832
21 4829088
22 6081801
23 7600836
24 9431448
25 11624808
26 14238562
27 17337424
28 20993804
29 25288472

List of values

[128, 987, 3280, 7753, 15504, 28101, 47652, 76912, 119416, 179630, 263120, 376740, 528840, 729495, 990756, 1326924, 1754848, 2294248, 2968064, 3802832, 4829088, 6081801, 7600836, 9431448, 11624808, 14238562, 17337424, 20993804, 25288472]