|
|
A061044
|
|
Denominator of 1/25 - 1/n^2.
|
|
6
|
|
|
1, 900, 1225, 1600, 2025, 100, 3025, 3600, 4225, 4900, 225, 6400, 7225, 8100, 9025, 80, 11025, 12100, 13225, 14400, 625, 16900, 18225, 19600, 21025, 180, 24025, 25600, 27225, 28900, 1225, 32400, 34225, 36100, 38025, 1600, 42025
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
5,2
|
|
LINKS
|
|
|
MATHEMATICA
|
Table[Denominator[1/5^2 - 1/n^2], {n, 7, 50}] (* G. C. Greubel, Jul 07 2017 *)
|
|
PROG
|
(PARI) a(n) = denominator(1/25 - 1/n^2); \\ Michel Marcus, Aug 15 2013
(Haskell)
import Data.Ratio ((%), denominator)
a061044 = denominator . (1 % 25 -) . recip . (^ 2) . fromIntegral
|
|
CROSSREFS
|
See A061041 for comments, references, links.
|
|
KEYWORD
|
nonn,frac
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|