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.

A181250 Number of n X 7 binary matrices with no 2 X 2 block having four 1's.

Table of values

n a(n)
1 128
2 11772
3 1169792
4 114142368
5 11185495872
6 1095020802848
7 107224417436160
8 10498818149889952
9 1027999596778673856
10 100657027683287334528
11 9855884014448812881664
12 965043721129265059674752

List of values

[128, 11772, 1169792, 114142368, 11185495872, 1095020802848, 107224417436160, 10498818149889952, 1027999596778673856, 100657027683287334528, 9855884014448812881664, 965043721129265059674752]