%I #4 Apr 15 2015 13:31:26
%S 1,1,2,2,2,2,2,2,3,2,3,2,3,3,3,2,3,3,2,3,2,4,2,4,2,2,2,3,2,3,3,3,2,3,
%T 3,3,3,3,4,2,3,3,4,5,2,2,4,3,2,2,4,4,2,3,2,3,3,4,4,2,3,2,3,4,5,3,3,3,
%U 4,2,3,4,3,3,3,4,3,2,2,2,3,4,4,5,3,2
%N Length of enhanced squares representation of n-th prime, cf. A256913.
%C a(n) = A256915(A000040(n)).
%H Reinhard Zumkeller, <a href="/A257071/b257071.txt">Table of n, a(n) for n = 1..10000</a>
%o (Haskell)
%o a257071 = length . a257053_row
%Y Cf. A257053, A256913, A000040, A256915.
%K nonn
%O 1,3
%A _Reinhard Zumkeller_, Apr 15 2015