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.

A233305 Number of (5+1) X (n+1) 0..1 arrays x(i,j) with row sums Sum_{j=1..n+1} x(i,j) nondecreasing, and column sums Sum_{i=1..5+1} i^2*x(i,j) nondecreasing.

Original entry on oeis.org

129, 1739, 21856, 239330, 2353493, 20916337, 170084407, 1276676471, 8918067742, 58369345796, 360074924787, 2104323603081, 11702598417138, 62173159707627
Offset: 1

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Author

R. H. Hardin, Dec 07 2013

Keywords

Comments

Row 5 of A233301.

Examples

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

Crossrefs

Cf. A233301.