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%I #7 Jul 17 2021 01:44:47
%S 14,86,76983,714690,952314,90438191,96320544,32980078899029,
%T 34346653774238,42816188292273,42881990066488,57118009933512,
%U 57183811707727,65653346225762,67019921100971,81321742742210
%N Numbers k such that k*(k+1) gives the concatenation of two numbers m and m+8.
%e 96320544 * 96320545 = 92776472//92776480, where // denotes concatenation.
%Y Cf. A116172, A116329, A116344, A116348.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
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