1,1

See A063251 for more.

Table of n, a(n) for n=1..53.

a(1)=22 because n=22 is the first n where A063251(n) that is less than both A048881(n) and A063250(n). Similarly, 189 appears because A048881(189)=5 and A063250(189)=7, but A063251(189) is just 4.

A063251.

Sequence in context: A082261 A335373 A337460 * A078540 A057836 A078612

Adjacent sequences: A063249 A063250 A063251 * A063253 A063254 A063255

base,easy,nonn

Marc LeBrun, Jul 11 2001

approved