1,2
row 12 of A171307.
Table of n, a(n) for n=1..10.
Sequence in context: A128147 A068918 A158036 * A055379 A047777 A195834
Adjacent sequences: A171360 A171361 A171362 * A171364 A171365 A171366
nonn
R. H. Hardin Dec 06 2009
approved