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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:
A252067
A182266
A392885
*
A272369
A044424
A044805
Adjacent sequences:
A116212
A116213
A116214
*
A116216
A116217
A116218
KEYWORD
nonn
,
base
AUTHOR
Giovanni Resta
, Feb 06 2006
STATUS
approved
