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A088114
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Smallest palindrome which can be expressed as the product of n palindromes > 1 (not necessarily distinct).
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0
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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; internal format)
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OFFSET
| 1,1
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COMMENTS
| No more terms < 10^14. - David Wasserman (wasserma(AT)spawar.navy.mil), Jul 21 2005
The sequence is infinite. One can always multiply an n-digit palindrome by 10^n+1 to get another term. - Frank Adams-Watters (FrankTAW(AT)Netscape.net), Jun 06 2006
a(25) > 10^18.
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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
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CROSSREFS
| Cf. A071277. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 11 2008]
Sequence in context: A087375 A018580 A089337 * A076886 A046385 A068664
Adjacent sequences: A088111 A088112 A088113 * A088115 A088116 A088117
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KEYWORD
| base,more,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 25 2003
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EXTENSIONS
| More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Jul 21 2005
Definition edited and a(24) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Sep 22 2009
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