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A116353
Numbers k such that k*(k+7) gives the concatenation of two numbers m and m+9.
4
27, 67, 3416102887775247376839416334668636, 3756559953325598880263233435801765, 4313503800489302411917772257282209
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..5.
EXAMPLE
67 * 74 = 49//58, where // denotes concatenation.
CROSSREFS
Cf.
A116169
,
A116346
,
A116352
,
A116354
.
Sequence in context:
A099865
A065008
A250134
*
A224525
A219130
A116302
Adjacent sequences:
A116350
A116351
A116352
*
A116354
A116355
A116356
KEYWORD
nonn
,
base
AUTHOR
Giovanni Resta
, Feb 06 2006
STATUS
approved
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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)