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.

A226002 Number of pairs of orthogonal (-4,7) vectors of length 11*n.

Original entry on oeis.org

23760, 241040067840, 927160196029562880, 2606734186332708640980992, 10726454782976061347559450869760, 39254958066409241851311669665794621440, 146612881747544901468330072567145716462387200
Offset: 1

Views

Author

R. H. Hardin, May 22 2013

Keywords

Comments

Row 16 of A225987.

Examples

			Some solutions for n=1
.-4..7...-4..7....7..7...-4..7....7..7....7..7....7..7...-4..7....7..7....7..7
..7.-4...-4..7...-4..7....7.-4...-4..7...-4..7...-4..7...-4..7...-4..7...-4..7
.-4..7...-4..7....7.-4....7.-4....7..7....7.-4....7..7....7..7...-4..7....7..7
..7..7...-4..7....7..7....7..7...-4..7...-4..7....7.-4....7..7....7..7....7.-4
..7..7....7..7....7..7....7.-4...-4..7....7..7....7..7....7..7....7..7...-4..7
.-4..7...-4..7...-4..7....7..7....7..7....7..7...-4..7....7..7....7.-4...-4..7
..7.-4....7..7...-4..7....7..7....7.-4....7..7....7.-4...-4..7...-4..7...-4..7
..7..7...-4..7....7..7....7.-4....7.-4...-4..7....7..7....7.-4...-4..7...-4..7
..7.-4....7..7....7.-4...-4..7....7..7...-4..7....7.-4...-4..7....7.-4....7..7
..7..7....7.-4...-4..7....7..7...-4..7....7.-4....7.-4....7.-4...-4..7...-4..7
..7.-4....7..7...-4..7....7.-4...-4..7...-4..7....7.-4....7.-4....7..7....7..7