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%I #6 Jul 20 2021 23:47:39
%S 205,300,477,732,1920,3157,52896,120085,427020,8264460,88581312,
%T 112000885,112917765,143075580,152863360,193537077,233788192,
%U 266755221,313680096,370908477,386568925,440852992,442670220
%N Numbers k such that k concatenated with k+3 gives the product of two numbers which differ by 2.
%Y Cf. A115426, A116099, A116112, A115428, A116308.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
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