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A116245 n times n+9 gives the concatenation of two numbers m and m-7. 4
8, 698, 775, 789, 866, 42336, 57656, 96882, 44121665, 55878327, 85298136, 36680703009575609347721358492, 63319296990424390652278641500, 69346342454876071597336150480, 81501115172242572470460459682 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
85298136 * 85298145 = 72757727//72757720, where // denotes
concatenation.
CROSSREFS
Sequence in context: A168130 A270871 A037076 * A361222 A277860 A221198
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified May 15 04:08 EDT 2024. Contains 372536 sequences. (Running on oeis4.)