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A116338 n times n+5 gives the concatenation of two numbers m and m+7. 5
700, 777, 791, 868, 42338, 57658, 96884, 44121667, 55878329, 85298138, 36680703009575609347721358494, 63319296990424390652278641502, 69346342454876071597336150482, 81501115172242572470460459684 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
85298138 * 85298143 = 72757727//72757734, where // denotes
concatenation.
CROSSREFS
Sequence in context: A028500 A133251 A243837 * A293203 A157366 A293279
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified June 23 11:27 EDT 2024. Contains 373644 sequences. (Running on oeis4.)