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A116119 Numbers k such that k concatenated with k-6 gives the product of two numbers which differ by 7. 5

%I #6 Jul 22 2021 02:14:42

%S 96,150,186,324,376,666,996,2046,3000,9996,82650,99996,100384,466716,

%T 999996,1322316,4049584,9999996,67820074,99999996,110003884,135734074,

%U 156502836,196043286,213017754,238849000,261405396,289940826

%N Numbers k such that k concatenated with k-6 gives the product of two numbers which differ by 7.

%e 9802960500//9802960494 = 9900990099 * 9900990106, where // denotes concatenation.

%Y Cf. A116112, A116118, A116132, A116250.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006

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Last modified April 19 18:58 EDT 2024. Contains 371798 sequences. (Running on oeis4.)