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Search: id:A116136
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| A116136 |
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Numbers n such that n concatenated with n-3 gives the product of two numbers which differ by 4. |
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+0
10
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| 9, 99, 183, 328, 528, 715, 999, 6099, 9999, 13224, 40495, 99999, 106755, 453288, 999999, 2066115, 2975208, 9999999, 22145328, 28027683, 99999999, 110213248, 110667555, 147928995, 178838403, 226123528, 275074575, 333052608
(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 itself gives the product of two numbers which differ by 2.
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EXAMPLE
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8315420899//8315420896 = 9118892968 * 9118892972, where // denotes concatenation.
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CROSSREFS
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Cf. A116129, A116135, A116099, A115426, A116267.
Cf. A102567, A116154, A116130, A116286.
Sequence in context: A061817 A083835 A045644 this_sequence A139280 A116274 A116286
Adjacent sequences: A116133 A116134 A116135 this_sequence A116137 A116138 A116139
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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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