A061048 - OEIS

%I #8 Jul 07 2017 03:37:52

%S 1,3136,3969,4900,5929,7056,8281,196,11025,12544,14161,15876,17689,

%T 19600,441,23716,25921,28224,30625,33124,35721,784,41209,44100,47089,

%U 50176,53361,56644,1225,63504,67081,70756,74529,78400,82369

%N Denominator of 1/49 - 1/n^2.

%H G. C. Greubel, <a href="/A061048/b061048.txt">Table of n, a(n) for n = 7..1000</a>

%t Table[Denominator[1/7^2 - 1/n^2], {n, 7, 50}] (* _G. C. Greubel_, Jul 07 2017 *)

%o (PARI) for(n=7,50, print1(denominator(1/7^2 - 1/n^2), ", ")) \\ _G. C. Greubel_, Jul 07 2017

%Y Cf. A061035-A061050.

%Y Cf. A061047 (numerator).

%K nonn,frac

%O 7,2

%A _N. J. A. Sloane_, May 26 2001