Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A134401
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A134401 Row sums of triangle A134400. +0
2
1, 2, 8, 24, 64, 160, 384, 896, 2048, 4608, 10240, 22528, 49152, 106496 (list; graph; listen)
OFFSET

0,2

FORMULA

Binomial transform of repeats of (4n+1): [1, 1, 5, 5, 9, 9, 13, 13,...].

a(n)=n*2^n, n>1 - Eugeny Yakimovitch (Eugeny.Yakimovitch(AT)gmail.com), Jan 08 2008

EXAMPLE

a(3) = 24 = sum of row 3 terms of triangle A134400: (3 + 9 + 9 + 3).

a(3) = 24 = (1, 3, 3, 1) dot (1, 1, 5, 5) = (1 + 3 + 15 + 5).

MATHEMATICA

F = Function[x, x*2^x]; F[Range[1, 10]] - Eugeny Yakimovitch (Eugeny.Yakimovitch(AT)gmail.com), Jan 08 2008

CROSSREFS

Essentially the same sequence as A036289. Cf. A134400.

Sequence in context: A127790 A006730 A131135 this_sequence A036289 A097064 A018045

Adjacent sequences: A134398 A134399 A134400 this_sequence A134402 A134403 A134404

KEYWORD

nonn

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 23 2007

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 17 23:40 EST 2009. Contains 171025 sequences.


AT&T Labs Research