1,3

For a guide to related sequences, see A205840.

Table of n, a(n) for n=1..60.

(See the example at A205847.)

(See the program at A205847.)

Cf. A204890, A205847, A205850.

Sequence in context: A324836 A302151 A167431 * A297701 A110361 A193750

Adjacent sequences: A205845 A205846 A205847 * A205849 A205850 A205851

nonn

Clark Kimberling, Feb 02 2012

approved