[seqfan] A175781: What if n is 6th power (as 64) - n^(1/2)?

[zak seidov]

%S A175781 0,1,2,3,2,5,6,7,2,3,10,11,12,13,14,15,4,17,18,19,20,21,
22,23,24,5,26,3,28,29,30,31,32,33,34,35,6,37,38,39,40,
41,42,43,44,45,46,47,48,7,50,51, 52,53,54,55,56,57,58,59,60,61,62,63,8,65,66,
67,68,69,70,71,72,73,74,75
%N A175781 If n is square or cube replace with n^(1/2) or n^(1/3)

 What if n is 6th power (as 64) - n^(1/2)? (as 8?).