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%I #16 Apr 04 2022 15:33:45
%S 0,0,9,87,762,6448,56580,498141,4447890
%N Number of isolated lucky numbers <= 10^n.
%C An isolated lucky number is a lucky number which is not a member of a lucky twin. The set of such numbers is A000959 setminus (A031158 union A031159). - _Sean A. Irvine_, Apr 04 2022
%Y Cf. A000959, A031158, A031159.
%K nonn,less,more
%O 0,3
%A _Robert G. Wilson v_, Jun 09 2000
%E a(7) and title clarified by _Sean A. Irvine_, Apr 04 2022
%E a(8) from _Pontus von Brömssen_, Apr 04 2022