login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A160811 Numbers not dividing 24. 12

%I

%S 5,7,9,10,11,13,14,15,16,17,18,19,20,21,22,23,25,26,27,28,29,30,31,32,

%T 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,

%U 56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77

%N Numbers not dividing 24.

%H Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a>

%H Omar E. Pol, <a href="http://www.polprimos.com/imagenespub/polprdipi.jpg">Divisors and pi(x)</a>

%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1).

%F a(n) = n + 8 for n > 16. [_Charles R Greathouse IV_, Oct 26 2011]

%o (PARI) is(n)=!!n%24 \\ _Charles R Greathouse IV_, Oct 26 2011

%Y Complement of A018253.

%Y Cf. A000005, A000720, A161205.

%K easy,nonn

%O 1,1

%A _Omar E. Pol_, Jun 19 2009, Jun 28 2009

%E Definition corrected by _Omar E. Pol_, Nov 17 2009

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

License Agreements, Terms of Use, Privacy Policy .

Last modified December 8 11:23 EST 2016. Contains 278939 sequences.