[seqfan] Re: Palindromes over prime factorization

Don Reble djr at nk.ca
Sat Dec 12 23:44:46 CET 2015


> A265640
> ...a square or a product of a square >=1 and a prime.  ...
> All remarks are welcome.

    The sequence contains all perfect numbers, except for 6.
    (A000396)

-- 
Don Reble  djr at nk.ca



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