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Concatenation of n-th prime number and n-th lucky number.
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%I #13 Aug 07 2019 15:55:29

%S 21,33,57,79,1113,1315,1721,1925,2331,2933,3137,3743,4149,4351,4763,

%T 5367,5969,6173,6775,7179,7387,7993,8399,89105,97111,101115,103127,

%U 107129,109133,113135,127141,131151,137159,139163,149169,151171,157189

%N Concatenation of n-th prime number and n-th lucky number.

%o (Perl) use ntheory ":all"; say "$_ ",nth_prime($_).nth_lucky($_) for 1..20; # _Dana Jacobsen_, Dec 21 2018

%Y Cf. A000040, A000959, A032604.

%K nonn,base,less

%O 1,1

%A _Patrick De Geest_, May 15 1998

%E Edited by _Charles R Greathouse IV_, Apr 30 2010