1,1

a(n) = A090079(A000040(n)).

Table of n, a(n) for n=1..79.

A000040(25)=97 -> '1100001' -> [11][0000][1] -> [1][0][1] ->

'101' -> 5=a(25).

Cf. A004676.

Sequence in context: A318320 A014652 A060448 * A151737 A211361 A249548

Adjacent sequences: A090077 A090078 A090079 * A090081 A090082 A090083

nonn,base

Reinhard Zumkeller, Nov 20 2003

approved