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A116312
n times n+8 gives the concatenation of two numbers m and m+3.
5
72, 3255, 6738, 9752, 80647887029795095027968358511096470120, 85938613861405938604061385940594061403, 88568679109003015820047566431888549328
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
9752 * 9760 = 9517//9520, where // denotes concatenation.
CROSSREFS
Cf.
A116181
,
A116305
,
A116311
,
A116313
,
A116320
.
Sequence in context:
A004366
A004389
A111598
*
A111782
A060507
A238772
Adjacent sequences:
A116309
A116310
A116311
*
A116313
A116314
A116315
KEYWORD
nonn
,
base
AUTHOR
Giovanni Resta
, Feb 06 2006
STATUS
approved
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Last modified September 19 14:43 EDT 2024. Contains 376013 sequences. (Running on oeis4.)