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Search: id:A087351
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| A087351 |
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Smallest noncomposite number which is the concatenation of n successive squares, or 0 if no such number exists. |
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+0
1
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| 1, 6481, 149, 14400146411488415129, 2464924964252812560025921, 4916253649, 496481100121144169, 36003721384439694096422543564489, 0, 47524479614840048841492844972950176506255107651529
(list; graph; listen)
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OFFSET
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2,2
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COMMENT
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a(9k) = 0. - David Wasserman (wasserma(AT)spawar.navy.mil), May 10 2005
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EXAMPLE
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a(3) = 149 is the concatenation of three squares 1,4,9.
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CROSSREFS
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Sequence in context: A074978 A105377 A067928 this_sequence A104343 A104242 A031842
Adjacent sequences: A087348 A087349 A087350 this_sequence A087352 A087353 A087354
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 08 2003
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EXTENSIONS
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More terms from David Wasserman (wasserma(AT)spawar.navy.mil), May 10 2005
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