1,1
Cf. A007523, A039954.
Sequence in context: A082563 A083999 A090540 * A199141 A152435 A157086
Adjacent sequences: A048793 A048794 A048795 * A048797 A048798 A048799
base,nonn,bref
G. L. Honaker, Jr. (honak3r(AT)gmail.com)