1,2

Table of n, a(n) for n=1..10.

Sequence in context: A004893 A069282 A069747 * A257275 A112014 A145461

Adjacent sequences: A124104 A124105 A124106 * A124108 A124109 A124110

base,more,nonn

Tanya Khovanova & Alexey Radul, Nov 26 2006

approved