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Numbers n such that the sum of the decimal portions of the square root and cube root of n is less than 1.
0

%I #3 Mar 31 2012 20:08:01

%S 0,1,2,4,5,8,9,10,11,12,13,16,17,18,25,28,29,30,31,32,33,36,37,38,39,

%T 40,41,42,49,50,51,52,65,66,67,68,69,70,71,72,73,74,75,76,81,82,83,84,

%U 85,86,87,88,89,90,100,101,102,103,104,105,121,126,127,128,129,130,131,132

%N Numbers n such that the sum of the decimal portions of the square root and cube root of n is less than 1.

%e 18 is in the sequence because .242641+.620741=.863382, which is < 1.

%e 19 is not in the sequence because .358899+.668402=1.027301, which is > 1.

%K easy,nonn,base

%O 1,3

%A _Gil Broussard_, Nov 17 2004