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A089700 Smallest n-digit member of A089699. 2

%I #5 Aug 13 2017 21:43:04

%S 1,12,112,1116,11112,111126,1111156,11111116,111111112,1111111212,

%T 11111111112,111111111366,1111111111152,11111111111122,

%U 111111111111232,1111111111111122,11111111111111152,111111111111111636,1111111111111111542,11111111111111111266

%N Smallest n-digit member of A089699.

%p for d from 1 to 20 do n:=(10^d-1)/9: n:=nextprime(n): while(not isprime(mul(j,j=convert(n-1,base,10))+1)) do n:=nextprime(n) od: printf("%d, ",n-1) od: # C. Ronaldo

%Y Cf. A089699, A089701.

%K base,nonn

%O 1,2

%A _Amarnath Murthy_, Nov 10 2003

%E Corrected and extended by C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 25 2004

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Last modified April 23 11:27 EDT 2024. Contains 371913 sequences. (Running on oeis4.)