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A116291 n times n+7 gives the concatenation of a number m with itself. 5

%I

%S 4,94,455,539,994,7665,9994,72721,99994,356429,643565,999994,9090910,

%T 9999994,35294118,64705876,99999994,335664329,664335665,684210520,

%U 818181819,838056674,846153847,866028702,980125139,999999994

%N n times n+7 gives the concatenation of a number m with itself.

%Y Cf. A116160, A116283, A116290, A116292, A116298.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006

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Last modified May 25 13:19 EDT 2022. Contains 354071 sequences. (Running on oeis4.)