Smallest number m >= 0 such that n followed by m ones yields a prime; a(p) = -1 if no such m exists.
A083747
Smallest number m >= 0 such that n followed by m ones yields a prime; a(p) = -1 if no such m exists.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =0a(5) =1a(6) =0a(7) =2a(8) =2a(9) =1a(10) =0a(11) =136a(12) =0a(13) =9a(14) =1a(15) =3a(16) =0a(17) =1a(18) =0a(19) =2a(20) =1a(21) =3a(22) =0a(23) =1a(24) =1a(25) =3a(26) =1a(27) =1a(28) =0a(29) =2
External references
- oeis: A083747