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.

A231124 Number of (n+1)X(n+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Original entry on oeis.org

1, 8, 308, 27664, 6794904, 4614346288, 8349491299560, 42088669314695072, 564457878709147238868, 21095556114328677203104400, 2097381737046509117354544061212, 581111029966060833293204483082983504
Offset: 1

Views

Author

R. H. Hardin, Nov 04 2013

Keywords

Comments

Diagonal of A231131

Examples

			Some solutions for n=4
..0..x..0..x..0....0..x..1..x..1....0..x..1..x..1....0..x..1..x..2
..x..1..x..2..x....x..2..x..0..x....x..1..x..2..x....x..2..x..0..x
..2..x..1..x..1....1..x..2..x..0....0..x..2..x..1....1..x..0..x..1
..x..1..x..0..x....x..0..x..2..x....x..2..x..0..x....x..2..x..0..x
..2..x..2..x..1....1..x..0..x..1....0..x..0..x..2....0..x..2..x..2