A121219 a(1)=1. a(n) = a(n-1)th integer from among those positive integers which do not occur earlier in the sequence and which are coprime to n.

1, 3, 5, 15, 21, 67, 83, 179, 275, 701, 780, 2359, 2567, 6011, 11284, 22593, 24019, 72089, 76112, 190311, 333064, 732773, 766103, 2298349, 2872961, 6224789, 9337213, 21786875, 22565006, 84618829, 87439484, 174879017, 288550415

Offset

1,2

Links

Table of n, a(n) for n=1..33.

Crossrefs

Sequence in context: A155173 A202505 A210111 * A113732 A329852 A283908

Adjacent sequences: A121216 A121217 A121218 * A121220 A121221 A121222

Keyword

nonn

Author

Leroy Quet, Aug 20 2006

Extensions

Extended by Ray Chandler, Aug 22 2006

Status

approved