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%I #6 Aug 14 2017 23:30:57
%S 11,11,41,61,241,1201,14401,100801,5241601,10886401,72576001,
%T 2395008001,14370048001,124540416001,9589612032001,143844180480001,
%U 2719962685440001,53353114214400001,832308581744640001
%N Smallest prime obtained as k*n! concatenated with a 1 for some k.
%e a(7) = 100801 is a prime obtained as 2*7! = 2*5040 = 10080 followed by a 1.
%p for n from 0 to 20 do for k from 1 do m:=10*k*n!+1 : if isprime(m) then printf("%d, ",m): break fi od od: # C. Ronaldo
%K base,nonn
%O 0,1
%A _Amarnath Murthy_, Nov 23 2003
%E More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 26 2004
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