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%I #8 Jul 20 2021 23:47:25
%S 1143,4382,4943,24941511,25058558,94090583,616729341438,638432642423,
%T 978717194478,994009005983,1636200161363007,1710661666314798,
%U 1805005185949007,1906479843038783,1986790648039982,3072104679280383
%N Numbers k such that k concatenated with k+2 gives the product of two numbers which differ by 8.
%C Also numbers k such that k concatenated with k+9 gives the product of two numbers which differ by 6.
%e 94090583//94090585 = 97000297 * 97000305, where // denotes concatenation.
%e 94090583//94090592 = 97000298 * 97000304.
%Y Cf. A116168, A116173, A116175, A116181, A116305.
%Y Cf. A116180, A116169, A116352.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
%E Edited by _N. J. A. Sloane_, Apr 13 2007
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