1,2

Does this sequence contain every positive integer exactly once?

Table of n, a(n) for n=1..59.

Cf. A050000.

Sequence in context: A089729 A173670 A337170 * A109595 A256782 A071832

Adjacent sequences: A050132 A050133 A050134 * A050136 A050137 A050138

nonn

Clark Kimberling

approved