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A116334 n times n+9 gives the concatenation of two numbers m and m+6. 4

%I #2 Mar 30 2012 17:40:40

%S 45,47,3180,3454,6538,6812,32423077888994073533,47028976905526474404,

%T 49049512306209075907,50950487693790924085,52971023094473525588,

%U 67576922111005926459,71498432899270376140,75216895567882908524

%N n times n+9 gives the concatenation of two numbers m and m+6.

%e 6812 * 6821 = 4646//4652, where // denotes concatenation.

%Y Cf. A116203, A116328, A116333, A116342.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)