Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A083331
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A083331 (3*5^n-2*4^n+3^n)/2. +0
2
1, 5, 26, 137, 722, 3785, 19706, 101897, 523682, 2677385, 13629386, 69136457, 349699442, 1764742985, 8889229466, 44709799817, 224608392002, 1127293880585, 5653520131946, 28335932715977, 141953379225362, 710862920970185 (list; graph; listen)
OFFSET

0,2

COMMENT

Binomial transform of A083330

FORMULA

a(n)=(3*5^n-2*4^n+3^n)/2 G.f. (1-7x+13x^2)/(2(1-3x)(1-4x)(1-5x)) E.g.f. (3exp(5x)-2exp(4x)+exp(3x))/2

CROSSREFS

Adjacent sequences: A083328 A083329 A083330 this_sequence A083332 A083333 A083334

Sequence in context: A022032 A052918 A018903 this_sequence A076025 A049607 A035029

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Apr 27 2003

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 October 15 09:18 EDT 2008. Contains 145015 sequences.


AT&T Labs Research