1,1

a(6) added by Carlos B. Rivera F. (crivera(AT)primepuzzles.net).

Cf. A000040, A002385, A054750.

Sequence in context: A054750 A048404 A052013 this_sequence A052014 A090711 A067907

Adjacent sequences: A054794 A054795 A054796 this_sequence A054798 A054799 A054800

base,more,nonn

G. L. Honaker, Jr. (honak3r(AT)gmail.com), Apr 27 2000