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%I #7 Jul 17 2021 01:43:57
%S 3377,6616,7027,49941473,50058520,97000297,785321170880,799019801017,
%T 989301366860,997000002997,4044997109223941,4136014586911892,
%U 4248535260473901,4366325506691845,4457342984379796,5542657015620197
%N Numbers k such that k*(k+8) gives the concatenation of two numbers m and m+2.
%e 97000297 * 97000305 = 94090583//94090585, where // denotes concatenation.
%Y Cf. A116174, A116299, A116304, A116306, A116312.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006