0,5

A sequence, S, consisting of the natural counting digits (A007376) interleaved with S.

Fractal sequence (Kimberling-type) based upon the counting digits.

Similar to but different from A025480 - N. J. A. Sloane, Nov 26 2020.

Table of n, a(n) for n=0..104.

a(n) = A007376(A025480(n)). - Kevin Ryde, Nov 21 2020

First differs from A025480 at a(20).

Even bisection: A007376.

Cf. A003602.

Sequence in context: A081171 A334594 A062778 * A025480 A088002 A030109

Adjacent sequences: A108199 A108200 A108201 * A108203 A108204 A108205

base,easy,nonn

Juliette Bruyndonckx and Alexandre Wajnberg, Jun 15 2005

More terms from Joshua Zucker, May 18 2006

Name made more explicit by Peter Munn, Nov 20 2020

approved