A111137 Concatenation of digits of A056129(n), starting from the first 3, that form primes.

3, 31, 311, 3113197, 3113197331

Offset

1,1

Comments

The next term has 279 digits and is too large to include here.

Links

Table of n, a(n) for n=1..5.

Example

A056129: 1,2,6,3,1,1,3,1,9,7,3,3,1 ........
3 is prime
31 is prime
311 is prime
3113197 is prime
3113197331 is prime
Next one has 279 digits

Crossrefs

Sequence in context: A236527 A108430 A113075 * A037785 A037589 A247351

Adjacent sequences: A111134 A111135 A111136 * A111138 A111139 A111140

Keyword

nonn,base

Author

Pierre CAMI, Nov 21 2005

Status

approved