Smallest prime whose digital sum is equal to the n-th composite number, or 0 if no such prime exists.
A073867
Smallest prime whose digital sum is equal to the n-th composite number, or 0 if no such prime exists.
Terms
- a(0) =13a(1) =0a(2) =17a(3) =0a(4) =19a(5) =0a(6) =59a(7) =0a(8) =79a(9) =0a(10) =389a(11) =0a(12) =499a(13) =0a(14) =997a(15) =1889a(16) =0a(17) =1999a(18) =0a(19) =6899a(20) =0a(21) =17989a(22) =8999a(23) =0a(24) =39989a(25) =0a(26) =49999a(27) =0a(28) =98999a(29) =0
External references
- oeis: A073867