login
Denominator of fractions in A171676.
0

%I #6 Mar 30 2012 18:52:05

%S 4,36,36,144,144,144,400,400,400,400,900,900,900,900,900,1764,1764,

%T 1764,1764,1764,1764,3136,3136,3136,3136,3136,3136,3136,5184,5184,

%U 5184,5184,5184,5184,5184,5184,8100,8100,8100,8100,8100,8100,8100,8100,8100

%N Denominator of fractions in A171676.

%C (Antidiagonal writing) fractions are 3/4, 5/36,5/36, 7/144,7/144,7/144, . Numerator:A171676. Rydberg-Ritz.

%F n times A035287(n+2).

%K nonn,frac

%O 0,1

%A _Paul Curtz_, Nov 28 2010