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A116251 n times n+1 gives the concatenation of two numbers m and m-5. 4
8, 74, 7249, 7934, 86897, 95988, 7450775, 8912862, 3546363535354546354, 4635454646463635464, 5364545353536364536, 6453636464645453646, 31993591495513432827264, 39229430087220380122376 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
8912862 * 8912863 = 7943911//7943906, where // denotes
concatenation.
CROSSREFS
Sequence in context: A337370 A357208 A163970 * A166084 A123661 A288487
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified May 28 04:02 EDT 2024. Contains 372900 sequences. (Running on oeis4.)