1,1

Similar to A048839, the first difference occurs when n=40.

Table of n, a(n) for n=1..71.

Cf. A006530, A034699, A122145, A122146.

Sequence in context: A247180 A317091 A048839 * A064052 A248792 A064594

Adjacent sequences: A122141 A122142 A122143 * A122145 A122146 A122147

nonn

Douglas Stones (dssto1(AT)student.monash.edu.au), Aug 22 2006

Edited by Ray Chandler, Aug 23 2006

approved