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A111137 Concatenation of digits of A056129(n), starting from the first 3, that form primes. 0
3, 31, 311, 3113197, 3113197331 (list; graph; refs; listen; history; text; internal format)
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

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Last modified August 22 20:23 EDT 2019. Contains 326182 sequences. (Running on oeis4.)