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Search: id:A116171
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| A116171 |
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Numbers n such that n concatenated with n+2 gives the product of two numbers which differ by 3. |
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+0
8
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| 8, 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+4 gives the product of two numbers which differ by 1.
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EXAMPLE
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63716866//63716868 = 79822844 * 79822847, where // denotes concatenation.
63716866//63716870 = 79822845 * 79822846.
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CROSSREFS
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Cf. A116099, A116170, A116172, A116112, A116302, A116099, A115428, A116314.
Sequence in context: A126503 A155590 A130153 this_sequence A099622 A110099 A091870
Adjacent sequences: A116168 A116169 A116170 this_sequence A116172 A116173 A116174
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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 N. J. A. Sloane (njas(AT)research.att.com), Apr 13 2007
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