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%I #6 Jul 19 2021 19:12:54
%S 25,2448207281,2552334847,9492271895,10713024775597019390267617,
%T 45251510049471045364918031,99414584492459886818648287,
%U 1000584180267191789271991959007645
%N Numbers k such that k concatenated with k+5 gives the product of two numbers which differ by 9.
%Y Cf. A116190, A116196, A116203, A116328.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
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