A110716 Beginning with 3, concatenation of n successive numbers such that every partial concatenation is a prime.

3, 67, 123, 60616263, 153154155156157, 787980818283, 41424344454647, 9969979989991000100110021003, 656667686970717273, 384385386387388389390391392393, 229230231232233234235236237238239

Offset

1,1

Links

Table of n, a(n) for n=1..11.

Example

3,367,367123,...are all primes.

Crossrefs

Cf. A110714, A110715, A110717.

Sequence in context: A065425 A096482 A139868 * A142035 A142926 A041983

Adjacent sequences: A110713 A110714 A110715 * A110717 A110718 A110719

Keyword

base,nonn

Author

Amarnath Murthy, Aug 05 2005

Extensions

More terms from Sean A. Irvine, Mar 18 2010

Status

approved