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.

A207721 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 0 vertically.

Table of values

n a(n)
1 22
2 484
3 5302
4 66946
5 820820
6 10150118
7 125165018
8 1545006848
9 19064074106
10 235267721766
11 2903258039792
12 35827609743354
13 442126584439650
14 5456029684316684
15 67329644638468630
16 830875800786510138

List of values

[22, 484, 5302, 66946, 820820, 10150118, 125165018, 1545006848, 19064074106, 235267721766, 2903258039792, 35827609743354, 442126584439650, 5456029684316684, 67329644638468630, 830875800786510138]

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

Content is available under The OEIS End-User License Agreement.