Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A130211
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
%I A130211
%S A130211 1,2,1,3,2,2,4,3,2,2,5,4,4,4,4,6,5,4,2,2,2,7,6,6,6,6,6,6,8,7,6,6,4,4,4,
%T A130211 4,9,8,8,6,6,6,6,6,6,10,9,8,8,8,4,4,4,4,4
%N A130211 A054522 * A000012.
%C A130211 Right border = A000010, phi(n): (1, 1, 2, 2, 4, 2, 6,...). Row sums = 
               A057660: (1, 3, 7, 11, 21, 21, 43, 43,...). A130212 = A000012 * A054522.
%F A130211 A054522 * A000012 as infinite lower triangular matrices.
%e A130211 First few rows of the triangle are:
%e A130211 1;
%e A130211 2, 1;
%e A130211 3, 2, 2;
%e A130211 4, 3, 2, 2;
%e A130211 5, 4, 4, 4, 4;
%e A130211 6, 5, 4, 2, 2, 2;
%e A130211 7, 6, 6, 6, 6, 6, 6;
%e A130211 8, 7, 6, 6, 4, 4, 4, 4;
%e A130211 ...
%Y A130211 Cf. A000010, A054522, A130212, A057660.
%Y A130211 Sequence in context: A029281 A126792 A097367 this_sequence A102364 A132923 
               A144329
%Y A130211 Adjacent sequences: A130208 A130209 A130210 this_sequence A130212 A130213 
               A130214
%K A130211 nonn,tabl
%O A130211 1,2
%A A130211 Gary W. Adamson (qntmpkt(AT)yahoo.com), May 17 2007

    
page 1

Search completed in 0.010 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