1,1
Subset of A007534.
Table of n, a(n) for n=1..11.
Cf. A007534
Sequence in context: A167983 A051483 A051465 * A216372 A183684 A216106
Adjacent sequences: A179822 A179823 A179824 * A179826 A179827 A179828
nonn,fini
M. B. Jones (nipponkills(AT)aol.com), Jul 28 2010
approved