Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A145925
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
%I A145925
%S A145925 1,1,9,33,404,7941,262632,14831415,1538127410,275592188347,
%T A145925 87279885007004,48561755814534966,47514836691753883015,
%U A145925 81822578894266356858585
%N A145925 Number of n X n binary arrays with all ones connected only in a tee 1,
               1 1,2 1,3 2,2 in any orientation.
%e A145925 Maximal 8 X 8 example
%e A145925 .1.1.1.0.1.1.1.0
%e A145925 .0.1.0.0.0.1.0.1
%e A145925 .1.0.0.0.0.0.1.1
%e A145925 .1.1.0.1.0.1.0.1
%e A145925 .1.0.1.1.0.1.1.0
%e A145925 .0.0.0.1.0.1.0.1
%e A145925 .1.1.1.0.1.0.1.1
%e A145925 .0.1.0.1.1.1.0.1
%Y A145925 Sequence in context: A013488 A063423 A145952 this_sequence A028568 A044086 
               A044467
%Y A145925 Adjacent sequences: A145922 A145923 A145924 this_sequence A145926 A145927 
               A145928
%K A145925 nonn
%O A145925 1,3
%A A145925 Ron Hardin (rhhardin(AT)att.net), Oct 25 2008

    
page 1

Search completed in 0.001 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 27 22:38 EST 2009. Contains 167602 sequences.


AT&T Labs Research