[seqfan] Re: A245486

Don Reble djr at nk.ca
Fri Jul 25 00:46:20 CEST 2014


>> Are there any odd members of A006881 that do not occur in the sequence?

> A candidate would be 3*89 = 267. ...
> But it's not obvious to me how to make this search finite.

    A002072. The last pair of 89-smooth numbers is
    9591468737351909375, 9591468737351909376.
    3*89 can't occur after that.

-- 
Don Reble  djr at nk.ca




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