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.

A207554 Number of 6Xn 0..2 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.

Table of values

n a(n)
1 622
2 386884
3 153718531
4 57282563287
5 21553876840265
6 8153351029428092
7 3082694275519480041
8 1165102509595020126200
9 440237796175859581158560
10 166342251234958398609975741
11 62849915005715508846282647469

List of values

[622, 386884, 153718531, 57282563287, 21553876840265, 8153351029428092, 3082694275519480041, 1165102509595020126200, 440237796175859581158560, 166342251234958398609975741, 62849915005715508846282647469]

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

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