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!)
A057351 Numbers n such that n | 4^n + 3^n + 1. 0
1, 2, 26, 338, 2054, 4394, 13282, 26702, 46306, 57122, 59566, 162266, 221446, 347126, 404293, 742586, 760318 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..17.

MATHEMATICA

Select[ Range[ 10^6 ], Mod[ PowerMod[ 4, #, # ] + PowerMod[ 3, #, # ] + 1, # ] == 0 & ]

CROSSREFS

Sequence in context: A187252 A096233 A126673 * A245999 A285026 A137100

Adjacent sequences:  A057348 A057349 A057350 * A057352 A057353 A057354

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Sep 22 2000

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 April 17 15:33 EDT 2021. Contains 343063 sequences. (Running on oeis4.)