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A088088 a(1) = 1, a(n) = smallest multiple of a(n-1) such that every partial concatenation (n >1) is a prime. 1

%I

%S 1,1,3,21,147,1029,103929,311787,311787,311787,4053231,28372617,

%T 1447003467,44857107477,134571322431,39967682762007,5155831076298903,

%U 3542055949417346361,456925217474837680569,216125627865598222909137

%N a(1) = 1, a(n) = smallest multiple of a(n-1) such that every partial concatenation (n >1) is a prime.

%e 11,113,11321, etc. are primes.

%Y Cf. A088089.

%K base,nonn

%O 0,3

%A _Amarnath Murthy_, Sep 23 2003

%E More terms from _David Wasserman_, Jul 14 2005

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Last modified October 20 16:07 EDT 2021. Contains 348111 sequences. (Running on oeis4.)