1,1
Table of n, a(n) for n=1..6.
Sequence in context: A095439 A036227 A171953 * A163630 A033906 A139357
Adjacent sequences: A133257 A133258 A133259 * A133261 A133262 A133263
nonn,unkn
kidon (kidonoscar(AT)hotmail.com), Oct 15 2007
approved