A112930 a(n) = order of n-th term of A112926 among squarefree integers.

3, 4, 5, 7, 9, 10, 13, 14, 17, 19, 21, 25, 28, 30, 32, 34, 38, 39, 43, 46, 47, 51, 53, 57, 62, 63, 65, 68, 69, 72, 79, 82, 85, 87, 93, 94, 97, 101, 104, 106, 110, 111, 118, 119, 122, 123, 131, 140, 142, 143, 146, 150, 151, 155, 159, 163, 167, 168, 171, 173

Offset: 1

Author

Leroy Quet, Oct 06 2005

Keywords

• nonn

Examples

			The 5th term of A112926 is 13 and 13 is the 9th squarefree integer (with 1 counted as the first squarefree integer). So a(5) = 9.
		

Links

• Michael De Vlieger and Diana Mecum, Table of n, a(n) for n = 1..10000 (first 450 terms from Diana Mecum)

Crossrefs

Cf. A061400, A112925, A112926, A112928, A112929.

Programs

Mathematica

With[{k = 120, s = Select[Range[10^4], SquareFreeQ]}, Flatten@ Array[Position[s, SelectFirst[Range[Prime@ # + 1, Prime@ # + k], SquareFreeQ]] &, 60]] (* Michael De Vlieger, Aug 16 2017 *)

Extensions

More terms from Diana L. Mecum, Jun 13 2007