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Search: id:A116112
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| A116112 |
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Numbers n such that n concatenated with n-7 gives the product of two numbers which differ by 7. |
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+0
17
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| 17, 35, 10408517, 45884051, 62918301, 1116290522645838319925, 1491109615209578451401, 2254276950187476704727, 2758431647767103545151, 3768131911733856383477, 4434103687048263321737, 5230580700713956424051
(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-1 gives the product of two numbers which differ by 5.
Also numbers n such that n concatenated with n+3 gives the product of two numbers which differ by 3.
Also numbers n such that n concatenated with n+5 gives the product of two numbers which differ by 1.
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EXAMPLE
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62918301//62918300 = 79321055 * 79321060, where // denotes concatenation.
62918301//62918304 = 79321056 * 79321059.
62918301//62918306 = 79321057 * 79321058.
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CROSSREFS
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Cf. A116107, A115426, A116113, A116119, A116243.
Cf. A116163, A115429, A116158, A116281.
Cf. A116171, A116177, A116179, A116185, A116309, A115430, A116322.
Adjacent sequences: A116109 A116110 A116111 this_sequence A116113 A116114 A116115
Sequence in context: A041572 A041574 A041576 this_sequence A098849 A075698 A059425
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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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