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.

A208256 Number of nX6 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward neighbors.

Table of values

n a(n)
1 122
2 49152
3 19566912
4 7782199824
5 3094987890864
6 1230875651548608
7 489518751475118880
8 194681408759751734640
9 77424717204435400421520
10 30791778589670316720418080
11 12245877840416847143166208896

List of values

[122, 49152, 19566912, 7782199824, 3094987890864, 1230875651548608, 489518751475118880, 194681408759751734640, 77424717204435400421520, 30791778589670316720418080, 12245877840416847143166208896]

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

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