A257070 - OEIS

%I #5 Apr 15 2015 13:31:37

%S 2,3,1,3,2,4,1,3,3,4,2,1,1,3,2,4,1,3,3,3,9,2,2,1,16,1,3,3,9,4,2,1,16,

%T 2,1,3,4,3,3,4,1,3,2,1,1,3,2,2,2,4,1,1,16,1,1,3,4,2,1,25,2,4,2,2,1,3,

%U 3,4,3,25,4,1,2,3,2,2,3,36,1,9,3,1,2,1

%N Traces of primes in enhanced squares representation, cf. A256913.

%C a(n) = A256914(A000040(n)).

%H Reinhard Zumkeller, <a href="/A257070/b257070.txt">Table of n, a(n) for n = 1..10000</a>

%o (Haskell)

%o a257070 = last . a257053_row

%Y Cf. A257053, A256913, A000040, A256914.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Apr 15 2015