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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A266427 Number of nX7 binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing.

Original entry on oeis.org

8, 92, 1170, 16585, 251381, 3889553, 59155748, 861030491, 11809616668, 151566391972, 1816912772913, 20365495779036
Offset: 1

Views

Author

R. H. Hardin, Dec 29 2015

Keywords

Comments

Column 7 of A266428.

Examples

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

Crossrefs

Cf. A266428.
Previous Showing 11-11 of 11 results.

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