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Perfect squares n^2 which are neither the sum nor the difference of two primes (otherwise 0).
2

%I #5 Mar 31 2012 14:11:37

%S 0,0,0,0,0,0,0,0,0,0,121,0,0,0,0,0,289,0,0,0,0,0,529,0,625,0,0,0,0,0,

%T 961,0,0,0,0,0,0,0,0,0,1681,0,0,0,0,0,0,0,0,0,2601,0,2809,0,0,0,0,0,

%U 3481,0,0,0,0,0,4225,0,4489,0,0,0,0,0,5329,0,0,0,0,0,6241,0,0,0,6889,0

%N Perfect squares n^2 which are neither the sum nor the difference of two primes (otherwise 0).

%F a(n) = Min(A106544(n), n^2-A106546(n)).

%Y Cf. A106544-A106548, A106562-A106564, A106571, A106573-A106575, A106577.

%K easy,nonn

%O 1,11

%A _Alexandre Wajnberg_, May 08 2005

%E Corrected and extended by _Ray Chandler_, May 12 2005