Table T(n,k), 0 < n and 0 <= k < n, where the n-th row contains the smallest n-digit primes that remain prime even if any k of their digits are deleted, or -1 if no such prime exists.
A378697
Table T(n,k), 0 < n and 0 <= k < n, where the n-th row contains the smallest n-digit primes that remain prime even if any k of their digits are deleted, or -1 if no such prime exists.
Terms
- a(0) =2a(1) =11a(2) =23a(3) =103a(4) =113a(5) =223a(6) =2237a(7) =10007a(8) =10193a(9) =-1a(10) =11113a(11) =22273a(12) =100003a(13) =166931a(14) =-1a(15) =-1a(16) =111119a(17) =222323a(18) =1000003a(19) =1367777a(20) =-1a(21) =-1a(22) =-1a(23) =1111711a(24) =2222273a(25) =10000019a(26) =13334117a(27) =-1a(28) =-1a(29) =-1
External references
- oeis: A378697