5,3
a(n)=#{k: k>3 integer; A078496(k)=n}
a(19)=3 since there are only k=13,16,18 for which A078496(k)=19
Cf. A078496.
Sequence in context: A143655 A173541 A076849 * A173440 A046268 A202425
Adjacent sequences: A083056 A083057 A083058 * A083060 A083061 A083062
easy,nonn
Serhat Sevki Dincer (sevki(AT)ug.bilkent.edu.tr), Apr 18 2003