1,3

Suggested by Bach and Shallit, Algorithmic Number Theory, I, p. 270.

Table of n, a(n) for n=1..80.

Cf. A037202.

Sequence in context: A292599 A071487 A124071 * A110157 A178493 A286581

Adjacent sequences: A034694 A034695 A034696 * A034698 A034699 A034700

nonn

N. J. A. Sloane.

approved