A100894 a(n) = smallest n-digit prime formed by appending a digit to a(n-1); a(1) = 3.

3, 31, 311, 3119, 31193

Offset: 1

Author

Jorge Coveiro, Jan 10 2005

Keywords

• nonn
• fini
• full
• base

Comments

Sequence is full since appending 0, 4, 6, 8, or 5 will lead to an obvious composite and 311931, 311933, 311937, 311939 are also composite. These are the first 5 entries of A048550. - Michel Marcus, Jun 30 2013

Examples

			a(1)=3
a(2)=31
a(3)=311
a(4)=3119
a(5)=31193