1,2
Mike Keith, Keith Numbers
Eric Weisstein's World of Mathematics, Keith Number
Cf. A007629.
Sequence in context: A132826 A100123 A118388 this_sequence A018801 A055021 A141379
Adjacent sequences: A050232 A050233 A050234 this_sequence A050236 A050237 A050238
nonn,hard
Eric Weisstein (eric(AT)weisstein.com)
More terms from Eric Weisstein (eric(AT)weisstein.com) using results from D. Lichtblau, Aug 24 2004
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