a(n) = smallest positive composite integer such that a(n)-10^k is prime for all k=1,2..n.
A123933
a(n) = smallest positive composite integer such that a(n)-10^k is prime for all k=1,2..n.
Terms
- a(0) =12a(1) =111a(2) =1007a(3) =10109a(4) =100709a(5) =1008819a(6) =10326309a(7) =106635053a(8) =1006357961a(9) =10413717671a(10) =100795008839
External references
- oeis: A123933