1,2

For a guide to related sequences, see A205558.

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

(See the example at A205712.)

(See the program at A205712.)

Cf. A204890, A205712, A205558.

Sequence in context: A209754 A140950 A256504 * A254344 A278032 A016600

Adjacent sequences: A205710 A205711 A205712 * A205714 A205715 A205716

nonn

Clark Kimberling, Jan 31 2012

approved