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A116246 n times n+1 gives the concatenation of two numbers m and m-6. 4
76, 3940697271069731588503127963131864400305034240, 4151390954867901940837042502762708788079731027, 4640791465716781132715600310864305127175798262 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..4.
FORMULA
a(n) = A116234(n)+1. - R. J. Mathar, Apr 24 2007
EXAMPLE
76 * 77 = 58//52, where // denotes concatenation.
CROSSREFS
Cf. A116115, A116232, A116247, A116251.
Sequence in context: A060716 A116255 A136609 * A128670 A225522 A033397
Adjacent sequences: A116243 A116244 A116245 * A116247 A116248 A116249
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified June 9 15:48 EDT 2024. Contains 373248 sequences. (Running on oeis4.)