Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A144465
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
%I A144465
%S A144465 1,4,23,121,617,3109,15593,78061,390497,1952869,9765113,48827101,
%T A144465 244138577,1220699029,6103507433,30517561741,152587857857,762939387589,
%U A144465 3814697134553,19073486065981,9536743111633
%N A144465 Sequence of powers: a(n)=If [n == 0, 1, 5^n - 2^(n - 1)].
%F A144465 a(n)=If [n == 0, 1, 5^n - 2^(n - 1)].
%F A144465 a(n)= 7*a(n-1)-10*a(n-2), n>3. G.f.: x(1-3x+5x^2)/((1-5x)(1-3x)). [From 
               R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 08 2008]
%t A144465 Table[If [n == 0, 1, 5^n - 2^(n - 1)], {n, 0, 20}]
%Y A144465 Sequence in context: A017973 A124507 A015532 this_sequence A024050 A038723 
               A091640
%Y A144465 Adjacent sequences: A144462 A144463 A144464 this_sequence A144466 A144467 
               A144468
%K A144465 nonn,uned
%O A144465 1,2
%A A144465 Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Oct 09 2008

    
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 December 16 17:18 EST 2009. Contains 170825 sequences.


AT&T Labs Research