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%I #7 Jul 17 2021 01:44:41
%S 4,85,76982,714689,952313,90438190,96320543,32980078899028,
%T 34346653774237,42816188292272,42881990066487,57118009933511,
%U 57183811707726,65653346225761,67019921100970,81321742742209
%N Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+6.
%e 96320543 * 96320546 = 92776472//92776478, where // denotes concatenation.
%Y Cf. A116172, A116316, A116329, A116331, A116336.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
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