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a(n)^2 = digital sum of (A076503(n))^2.
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%I #2 Mar 30 2012 17:26:30

%S 2,3,2,4,4,4,4,4,5,2,4,5,4,4,5,5,4,4,4,5,5,5,5,4,5,4,5,5,5,4,4,5,4,5,

%T 5,5,5,5,4,5,5,5,5,4,5,5,5,5,5,4,4,5,5,5,5,5,4,5,5,4,4,5,5,5,5,7,5,4,

%U 5,5,5,5,4,4,5,5,5,5,5,5,5,5,7,5,5,7,5,5,7,5,5,5,7,4,5,5,5,5,5,5,5,5,5,5,5

%N a(n)^2 = digital sum of (A076503(n))^2.

%C a(n)^2 = A007953((A076503(n))^2).

%Y Cf. A076503 Prime numbers whose squares have square digital sums, A061910 Numbers n such that sum of digits of n^2 is a square, A007953 Digital sum (i.e. sum of digits) of n, A000040 The prime numbers.

%K base,nonn

%O 1,1

%A _Zak Seidov_, Nov 21 2009