1,4

Table of n, a(n) for n=1..72.

For n > 3: a(n) = A113523(n) = A014684(n);

A005171(a(n)) = 1; A010051(a(n)) = 0.

A018252, A007917.

Sequence in context: A276679 A163638 A113523 * A132882 A171384 A226833

Adjacent sequences: A179275 A179276 A179277 * A179279 A179280 A179281

nonn,easy

Reinhard Zumkeller, Jul 08 2010

approved