Weakly prime numbers (or isolated primes): changing any one decimal digit always produces a composite number, with restriction that first digit may not be changed to a 0.

A158124

Weakly prime numbers (or isolated primes): changing any one decimal digit always produces a composite number, with restriction that first digit may not be changed to a 0.

Terms

    a(0) =294001a(1) =505447a(2) =584141a(3) =604171a(4) =929573a(5) =971767a(6) =1062599a(7) =1282529a(8) =1524181a(9) =2017963a(10) =2474431a(11) =2690201a(12) =3070663a(13) =3085553a(14) =3326489a(15) =4393139a(16) =5152507a(17) =5285767a(18) =5564453a(19) =5575259a(20) =5974249a(21) =6173731a(22) =6191371a(23) =6236179a(24) =6463267a(25) =6712591a(26) =7204777a(27) =7469789a(28) =7469797a(29) =7810223

External references