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A088650 a(n) = smallest value of x pertaining to A020498, or the smallest x such that A020498(k) + x is prime for all k = 1 to n. 0

%I

%S 1,2,4,4,4,4,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10

%N a(n) = smallest value of x pertaining to A020498, or the smallest x such that A020498(k) + x is prime for all k = 1 to n.

%C Is the sequence finite?

%e a(4)= 4 and the primes arising are 5, 7, 11, and 13.

%Y Cf. A020498.

%K more,nonn

%O 1,2

%A _Amarnath Murthy_, Oct 29 2003

%E Corrected and extended by _Max Alekseyev_, Aug 23 2013

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Last modified July 26 01:20 EDT 2021. Contains 346294 sequences. (Running on oeis4.)