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Search: id:A116107
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| A116107 |
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Numbers n such that n concatenated with n-8 gives the product of two numbers which differ by 7. |
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+0
9
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| 52, 63716866, 48793687600063875363014809897052, 60020753655608135708762056127156, 60446518621981165303188950156776, 71135436903815748345367595855336, 72876856643103028189103298533248
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Also numbers n such that n concatenated with n-2 gives the product of two numbers which differ by 5.
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EXAMPLE
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63716866//63716864 = 79822843 * 79822848, where // denotes concatenation.
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CROSSREFS
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Cf. A116099, A116106, A115429, A116112, A116238, A115426, A116146, A116276.
Sequence in context: A068255 A070908 A038778 this_sequence A114787 A051320 A078681
Adjacent sequences: A116104 A116105 A116106 this_sequence A116108 A116109 A116110
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KEYWORD
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nonn,base
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AUTHOR
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Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006
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EXTENSIONS
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Edited by njas, Apr 15 2007
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