Next term is known to be greater than 220146725295227, based on link between A171871 and A039754.
Table of n, a(n) for n=0..5.
R. Munafo, Classifications of N Elements
Sequence in context: A260231 A003047 A028580 * A098706 A143249 A161181
Adjacent sequences: A171870 A171871 A171872 * A171874 A171875 A171876
Robert Munafo, Jan 21 2010