0,4

a(A062318(n)) = 0.

R. Zumkeller, Table of n, a(n) for n = 0..10000

a(n) = (n mod 3) * a(floor(n/3)) + (2 - n mod 3) * floor(n/3), a(n) = 0.

Cf. A025480.

Sequence in context: A270640 A139136 A122792 * A261877 A062296 A249343

Adjacent sequences: A137999 A138000 A138001 * A138003 A138004 A138005

nonn

Reinhard Zumkeller, Feb 26 2008

approved