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A116215
Numbers k such that k concatenated with k+8 gives the product of two numbers which differ by 7.
5
92, 180, 332, 486, 536, 9720, 13220, 40502, 941486, 2066120, 2975202, 77854680, 123250136, 162423540, 243964010, 256109750, 356387462, 421110162, 542936282, 547361900, 587114192, 591715970, 685172036, 734693886
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..24.
CROSSREFS
Cf. A116209, A116168, A116216, A116169, A116346.
Sequence in context: A257761 A252067 A182266 * A272369 A044424 A044805
Adjacent sequences: A116212 A116213 A116214 * A116216 A116217 A116218
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified November 16 20:19 EST 2024. Contains 377805 sequences.
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