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%I #6 Nov 14 2021 12:35:14
%S 11,3,11,33,1111111,3333333333,
%T 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
%N Copies of 1 and 3 alternately such that every partial concatenation is a prime.
%e 11, 113, 11311, etc. are primes.
%Y Cf. A110775, A110776, A110777, A110778, A112534, A110780, A110781, A110782, A110783, A110788, A110789.
%K base,nonn
%O 1,1
%A _Amarnath Murthy_, Aug 12 2005
%E The next term is too large to include.
%E Corrected and extended by _Joshua Zucker_, Jan 11 2006