login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A104050 Values of 3^n - 5^m where n and m are positive integers such that 1 < 3^n/5^m < 2. 0
2, 4, 104, 118, 4058, 140816, 4583282, 143279864, 863481484, 4356837578, 84349156318, 129841645856, 3803306126836, 3810900219362, 140836238080822, 4756252744588444, 152260682014044238, 4707084862133100676 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..18.

MATHEMATICA

c = Delete[Union[Flatten[Table[Table[If [ (3^n > 5^m) && Floor[3^n/5^m] < 2, Abs[3^n - 5^m], 0], {m, 1, n}], {n, 1, 200}], 1]], 1]

CROSSREFS

Sequence in context: A018435 A166094 A018440 * A000965 A266176 A018449

Adjacent sequences:  A104047 A104048 A104049 * A104051 A104052 A104053

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Mar 01 2005

EXTENSIONS

Definition rewritten to match the sequence, offset corrected, and formula deleted by Jon E. Schoenfield, Sep 07 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 24 04:36 EST 2020. Contains 332197 sequences. (Running on oeis4.)