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.

A203973 Number of n X 6 0..2 arrays with every 1 immediately preceded by 0 to the left or above, and every 2 immediately preceded by 0 1 to the left or above.

Table of values

n a(n)
1 24
2 1488
3 136243
4 10443081
5 817293052
6 64449537503
7 5061444598545
8 397834775050740
9 31270867431167972
10 2457732853480046455
11 193174081619843169146
12 15183059890219083012785
13 1193352525118970918791175

List of values

[24, 1488, 136243, 10443081, 817293052, 64449537503, 5061444598545, 397834775050740, 31270867431167972, 2457732853480046455, 193174081619843169146, 15183059890219083012785, 1193352525118970918791175]

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

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