Numbers m such that all numbers 10*m+(odd single-digit number) and 100*m+(any 2-digit, digits coprime to 10) are composite.
A163398
Numbers m such that all numbers 10*m+(odd single-digit number) and 100*m+(any 2-digit, digits coprime to 10) are composite.
Terms
- a(0) =167a(1) =176a(2) =403a(3) =513a(4) =761a(5) =935a(6) =1037a(7) =1218a(8) =1307a(9) =1559a(10) =1865a(11) =1932a(12) =1995a(13) =2057a(14) =2123a(15) =2255a(16) =2288a(17) =2340a(18) =2414a(19) =2852a(20) =3152a(21) =3483a(22) =3581a(23) =3734a(24) =3914a(25) =4136a(26) =4169a(27) =4226a(28) =4238a(29) =4265
External references
- oeis: A163398