

A046416


Repunit of length a(n) has exactly 5 prime factors (counted with multiplicity).


2



6, 25, 29, 62, 89, 134, 137, 142, 151, 179, 239, 257, 271, 277, 289
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OFFSET

1,1


LINKS

Eric Weisstein's World of Mathematics, Repunit


CROSSREFS



KEYWORD

nonn,base,more


AUTHOR



EXTENSIONS



STATUS

approved



