%I #7 Jul 18 2021 02:50:36

%S 92,180,332,486,536,9720,13220,40502,941486,2066120,2975202,77854680,

%T 123250136,162423540,243964010,256109750,356387462,421110162,

%U 542936282,547361900,587114192,591715970,685172036,734693886

%N Numbers k such that k concatenated with k+8 gives the product of two numbers which differ by 7.

%Y Cf. A116209, A116168, A116216, A116169, A116346.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006