Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A104743
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A104743 Numbers m=n+3^n such that equation x=3^(m-x) has solution x=3^n. +0
3
1, 4, 11, 30, 85, 248, 735, 2194, 6569, 19692, 59059, 177158, 531453, 1594336, 4782983, 14348922, 43046737, 129140180, 387420507, 1162261486, 3486784421, 10460353224, 31381059631, 94143178850, 282429536505, 847288609468 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=n+3^n, offset=0

MAPLE

g:=1/(1-3*z): gser:=series(g, z=0, 43): seq(coeff(gser, z, n)+n, n=0..31); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 09 2009]

MATHEMATICA

a=1; lst={a}; Do[a=a*3-n; AppendTo[lst, a], {n, -1, 5!, 2}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 18 2009]

CROSSREFS

Cf. A103537.

Sequence in context: A021006 A078141 A090327 this_sequence A165993 A004080 A027115

Adjacent sequences: A104740 A104741 A104742 this_sequence A104744 A104745 A104746

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Mar 23 2005

EXTENSIONS

More terms from Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 18 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 7 23:50 EST 2009. Contains 170430 sequences.


AT&T Labs Research