1,1
Eric Weisstein's World of Mathematics, Powerful Number
A060355(n)+1
Cf. A060355.
Sequence in context: A012234 A012141 A110553 this_sequence A078326 A055792 A053935
Adjacent sequences: A118890 A118891 A118892 this_sequence A118894 A118895 A118896
nonn
Eric Weisstein (eric(AT)weisstein.com), May 04, 2006
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