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.

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A224385 Number of n X n 0..3 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

Original entry on oeis.org

4, 100, 6094, 497958, 45648753, 4364554008, 424124440444, 41437298593764, 4056267677083719, 397503667576768219
Offset: 1

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Author

R. H. Hardin Apr 05 2013

Keywords

Comments

Diagonal of A224391

Examples

			Some solutions for n=3
..1..1..1....1..1..2....1..2..3....0..0..1....1..2..2....1..3..3....1..1..1
..0..2..2....2..2..3....3..3..3....2..2..3....2..3..3....2..3..3....1..2..2
..2..3..3....0..2..2....1..1..2....1..2..2....0..0..1....0..1..3....0..2..3
		
Previous Showing 11-11 of 11 results.