1,2

3888*phi(3888)*phi(phi(3888))=216^4.

Cf. A055744, A116002.

Sequence in context: A138412 A010948 A022627 this_sequence A035711 A035477 A109384

Adjacent sequences: A116000 A116001 A116002 this_sequence A116004 A116005 A116006

nonn

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006