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A116243 n times n+7 gives the concatenation of two numbers m and m-7. 5
38, 56, 32262230, 67737764, 79321054, 3341093417798787499091, 3861488851737861033959, 4747922651210186579785, 5252077348789813420209, 6138511148262138966035, 6658906582201212500903, 7232275368591793618229 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
79321054 * 79321061 = 62918301//62918294, where // denotes
concatenation.
CROSSREFS
Sequence in context: A341172 A077801 A078544 * A098126 A244313 A147616
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified June 20 18:00 EDT 2024. Contains 373532 sequences. (Running on oeis4.)