1,2

For each n number of solutions of the equation A081943(x) =n is less than 2 because the terms of the sequence A081943 are distinct.

Table of n, a(n) for n=1..70.

a(25) =35 because A081943(35) =25.

Cf. A081943, A073666, A092842.

Sequence in context: A333324 A333470 A096135 * A081943 A216249 A113004

Adjacent sequences: A092826 A092827 A092828 * A092830 A092831 A092832

nonn

Farideh Firoozbakht, Apr 15 2004

approved