This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A115174 Numbers that are not the sum of a square, a nonnegative cube and a power of 2. 8

%I

%S 15,22,23,55,62,87,94,106,111,118,119,120,139,167,183,188,194,195,211,

%T 215,223,244,246,251,263,274,275,279,286,303,304,307,309,311,314,330,

%U 331,335,342,343,350,398,399,419,421,434,436,437,438,454,455,461,463

%N Numbers that are not the sum of a square, a nonnegative cube and a power of 2.

%C The square and the cube may be equal to 0, the powers of two starts at 2^0 = 1.

%C There are 531362099 such numbers up to 10^9, the last one in this range being 999999999.

%t Complement[Range[1000], Plus @@@ Tuples[{Range[0, 34]^2, Range[0, 10]^3, 2^Range[0, 9]}]] (* _Giovanni Resta_, May 02 2016 *)

%Y Cf. A115171, A115172, A115173, A115175, A115176, A115177.

%K nonn

%O 1,1

%A _Giovanni Resta_, Jan 15 2006

%E Name corrected by _Giovanni Resta_, May 02 2016

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified July 24 03:01 EDT 2019. Contains 325290 sequences. (Running on oeis4.)