0,1
The "2777" sequence has rather few small terms.
Table of n, a(n) for n=0..4.
Cf. A002110, A087730-2, A087832, 3, 5, 7.
Sequence in context: A175736 A179839 A172255 * A271221 A066488 A291601
Adjacent sequences: A087832 A087833 A087834 * A087836 A087837 A087838
nonn
Pierre CAMI, Oct 07 2003
Edited by Don Reble, Nov 09 2005
approved