Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A127186
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A127186 Number of nonsingular n X n real {0,1}-matrices such that all upper left i X i submatrices are singular for i = 1..n-1. +0
5
0, 2, 40, 584, 1695296 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A125587, A125593, A127182, A127183, A127185, A127188, A127189.

Sequence in context: A108033 A160229 A012807 this_sequence A139747 A012637 A127429

Adjacent sequences: A127183 A127184 A127185 this_sequence A127187 A127188 A127189

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Jan 08 2007

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.