a(n) is the smallest n-digit number m such that 10*m+1, 10*m+3, 10*m+7 & 10*m+9 are primes.
A097638
a(n) is the smallest n-digit number m such that 10*m+1, 10*m+3, 10*m+7 & 10*m+9 are primes.
Terms
- a(0) =1a(1) =10a(2) =148a(3) =1300a(4) =10111a(5) =100234a(6) =1001395a(7) =10000546a(8) =100002526a(9) =1000005742a(10) =10000000753a(11) =100000012369
External references
- oeis: A097638