Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A124671
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A124671 Row sums of A126277 = binomial transform of (1, 2, 2, 3, 4, 4, 4,...) +0
2
1, 3, 7, 16, 37, 85, 191, 418, 893, 1871, 3863, 7892, 16005, 32297 (list; graph; listen)
OFFSET

1,2

FORMULA

G.f.: x*(1-3*x+3*x^2)/((1-2*x)*(x-1)^4) [From Maksym Voznyy (voznyy(AT)mail.ru), Aug 14 2009]

EXAMPLE

a(4) = 16 = sums of 4-th row terms of A126277: (1 + 4 + 7 + 4).

a(4) = 16 = 1*1 + 3*2 + 3*2 + 1*3.

CROSSREFS

Cf. A126277.

Sequence in context: A020746 A033303 A078056 this_sequence A123392 A130691 A095263

Adjacent sequences: A124668 A124669 A124670 this_sequence A124672 A124673 A124674

KEYWORD

nonn

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 23 2006

EXTENSIONS

G.f. proposed by Maksym Voznyy checked and corrected by R. J. Mathar, Sep 16 2009.

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 10 12:37 EST 2009. Contains 170569 sequences.


AT&T Labs Research