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.

A205472 Number of (n+1)X6 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order.

Table of values

n a(n)
1 2709
2 61978
3 1504556
4 38649376
5 1002405121
6 26272023365
7 690109737187
8 18179839278978
9 479230888858502
10 12644948875816236
11 333720627683258097
12 8810523515340428257
13 232623501031146386321
14 6142757563889683779852

List of values

[2709, 61978, 1504556, 38649376, 1002405121, 26272023365, 690109737187, 18179839278978, 479230888858502, 12644948875816236, 333720627683258097, 8810523515340428257, 232623501031146386321, 6142757563889683779852]

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

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