1,3

Table of n, a(n) for n=1..8.

a(2) = 1*1 = 1, a(3) = 11*2 = 22, a(4) = 1122*4 = 4488.

Sequence in context: A155885 A218719 A109776 * A200460 A202054 A279298

Adjacent sequences: A110799 A110800 A110801 * A110803 A110804 A110805

base,easy,nonn

Amarnath Murthy, Aug 14 2005

More terms from Joshua Zucker, May 03 2006

approved