A093501 Numbers whose digit permutations are all squarefree numbers.

1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 17, 19, 22, 26, 30, 31, 33, 34, 35, 37, 38, 39, 41, 43, 47, 51, 53, 55, 58, 59, 62, 66, 70, 71, 73, 74, 77, 78, 79, 83, 85, 87, 91, 93, 95, 97, 101, 103, 107, 109, 110, 111, 113, 114, 115, 118, 119, 130, 131, 133, 134, 137, 138, 141

Offset: 1

Author

Amarnath Murthy, Apr 17 2004

Keywords

• base
• easy
• nonn
• less

Examples

			103 is a term as 103, 301, 013, 031, 130, 310 all are squarefree.
		

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A077337.

Programs

Mathematica

Select[Range[200],AllTrue[FromDigits/@Permutations[IntegerDigits[#]],SquareFreeQ]&] (* Harvey P. Dale, Jun 09 2024 *)

Extensions

More terms from David Wasserman, Oct 25 2006