

A162691


Strictly positive numbers n such that 24*n/(24+n) are integers.


15




OFFSET

1,1


COMMENTS

The 24th row of A127730.
The ansatz 24*n/(24+n)=j (any integer j) yields n=24*j/(24j) which demonstrates that the sequence is finite if n>=0. [R. J. Mathar, Jul 13 2009]


LINKS

Table of n, a(n) for n=1..10.


MATHEMATICA

f[a_, b_]:=(a*b)/(a+b); a=24; lst={}; Do[If[f[a, n]==IntegerPart[f[a, n]], AppendTo[lst, n]], {n, 9!}]; lst


CROSSREFS

Cf. A162688, A162689, A162690
Cf. A127730. [From Franklin T. AdamsWatters, Aug 07 2009]
Sequence in context: A278902 A088525 A054735 * A328538 A077566 A241482
Adjacent sequences: A162688 A162689 A162690 * A162692 A162693 A162694


KEYWORD

nonn,fini,full


AUTHOR

Vladimir Joseph Stephan Orlovsky, Jul 10 2009


EXTENSIONS

Edited by R. J. Mathar, Jul 13 2009


STATUS

approved



