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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A224006 Number of n X n 0..2 arrays with rows nondecreasing and antidiagonals unimodal.

Original entry on oeis.org

3, 36, 868, 28541, 1108969, 47735665, 2200064042, 106468976628, 5346274348879, 276427362685199, 14638913051219770, 790954334539356094, 43473056647367595435, 2424900281957535784114, 137007153893707984264455
Offset: 1

Views

Author

R. H. Hardin Mar 30 2013

Keywords

Comments

Diagonal of A224012

Examples

			Some solutions for n=3
..1..2..2....1..1..1....0..0..2....1..1..2....0..0..2....2..2..2....1..1..1
..1..1..1....1..1..2....0..1..2....0..0..2....0..0..1....1..1..2....0..0..0
..0..1..2....0..0..0....1..2..2....0..0..0....0..2..2....1..2..2....0..2..2
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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