1,3
The ninth term is too large to show here.
Cf. A000225.
Sequence in context: A178432 A057188 A128548 * A106879 A034375 A081953
Adjacent sequences: A113603 A113604 A113605 * A113607 A113608 A113609
nonn
Matt Wynne (mattwyn(AT)verizon.net), Aug 25 2008