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A335934
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Smallest palindrome in base 10 whose factorization contains n distinct base 10 palindromic prime factors.
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0
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OFFSET
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0,2
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COMMENTS
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For n <= 6, a(n) does not have a non-palindromic prime factor, i.e. a(n) has n distinct prime factors and they are all palindromes. On the other hand, a(7) contains a prime factor 13, which is not a palindrome.
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LINKS
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EXAMPLE
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a(6) = 67566576 = 2^4*3*7*11*101*181 has 6 distinct palindromic prime factors.
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CROSSREFS
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KEYWORD
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nonn,hard,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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