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A116268
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Numbers k such that k*(k+5) gives the concatenation of two numbers m and m-3.
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5
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..8.
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EXAMPLE
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89158933 * 89158938 = 79493157//79493154, where // denotes concatenation.
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CROSSREFS
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Cf. A028557, A116099, A116261, A116267, A116269, A116276.
Sequence in context: A277844 A162284 A309110 * A128838 A231484 A340398
Adjacent sequences: A116265 A116266 A116267 * A116269 A116270 A116271
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KEYWORD
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nonn,base
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AUTHOR
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Giovanni Resta, Feb 06 2006
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STATUS
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approved
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