1,1
For a guide to related sequences, see A205840.
Table of n, a(n) for n=1..50.
(See the example at A205872.)
(See the program at A205872.)
Cf. A204890, A205872, A205840.
Sequence in context: A124741 A339419 A213952 * A220479 A146913 A146252
Adjacent sequences: A205870 A205871 A205872 * A205874 A205875 A205876
nonn
Clark Kimberling, Feb 02 2012
approved