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A088114 Smallest palindrome which can be expressed as the product of n palindromes > 1 (not necessarily distinct). 0
2, 4, 8, 88, 252, 2112, 2112, 2112, 4224, 8448, 48384, 48384, 405504, 405504, 405504, 40955904, 677707776, 677707776, 677707776, 677707776, 677574475776, 677574475776, 42833977933824, 6929958668599296 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
No more terms < 10^14. - David Wasserman, Jul 21 2005
The sequence is infinite. One can always multiply an n-digit palindrome by 10^n+1 to get another term. - Franklin T. Adams-Watters, Jun 06 2006
a(25) > 10^18.
LINKS
EXAMPLE
a(6) = a(7) =a(8) = 2112
2112 = 2*2*2*2*4*33
2112 = 2*2*2*2*2*2*33
2112 = 2*2*2*2*2*2*3*11
CROSSREFS
Cf. A071277. [From R. J. Mathar, Sep 11 2008]
Sequence in context: A267457 A322614 A089337 * A348050 A239697 A237913
KEYWORD
base,more,nonn
AUTHOR
Amarnath Murthy, Sep 25 2003
EXTENSIONS
More terms from David Wasserman, Jul 21 2005
Definition edited and a(24) from Donovan Johnson, Sep 22 2009
STATUS
approved

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Last modified May 1 17:43 EDT 2024. Contains 372175 sequences. (Running on oeis4.)