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A116115
Numbers k such that k concatenated with k-6 gives the product of two numbers which differ by 1.
4
58, 1552909498221642960203840517299022287877411846, 1723404686015903064905313664707396376746205762, 2153694542826970975147295558223788704098018912
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..4.
EXAMPLE
58//52 = 76 * 77, where // denotes concatenation.
CROSSREFS
Cf.
A116101
,
A116116
,
A116120
,
A116246
.
Sequence in context:
A243466
A201988
A116103
*
A230852
A104380
A051321
Adjacent sequences:
A116112
A116113
A116114
*
A116116
A116117
A116118
KEYWORD
nonn
,
base
AUTHOR
Giovanni Resta
, Feb 06 2006
STATUS
approved
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Last modified September 14 03:52 EDT 2024. Contains 375911 sequences. (Running on oeis4.)