A174415 Numbers such that when expressed in base 2 and then interpreted in base 10, is not a multiple of the original number.

3, 5, 6, 7, 9, 11, 12, 13, 14, 15, 17, 18, 19, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 41, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60

Offset: 1

Author

Jaroslav Krizek, Mar 19 2010

Keywords

• nonn
• base

Comments

Complement of A032533.

Examples

			For n=5; a(5) = 9, 9 in base 2 is 1001, which interpreted in base 10, 1001 is not multiple of 9.
		

Programs

Mathematica

Select[Range[100],!Divisible[FromDigits[IntegerDigits[#,2]],#]&] (* Harvey P. Dale, Jul 10 2014 *)