A100895 a(n) = smallest n-digit prime formed by appending a digit to a(n-1); a(1) = 7.

7, 71, 719, 7193, 71933, 719333

Offset

1,1

Comments

There is no prime a(7) since 7193331,7193333,7193337,7193339 are not prime.

These are the first 6 entries of A048552. - R. J. Mathar, Oct 15 2011

Links

Table of n, a(n) for n=1..6.

Example

a(1)=7
a(2)=71
a(3)=719
a(4)=7193
a(5)=71933
a(6)=719333

Crossrefs

Sequence in context: A198966 A069591 A039920 * A065537 A048552 A260033

Adjacent sequences: A100892 A100893 A100894 * A100896 A100897 A100898

Keyword

nonn,base,fini,full

Author

Jorge Coveiro, Jan 10 2005

Extensions

Edited by Charles R Greathouse IV, Aug 02 2010

Status

approved