A122966 Least member of a quartet of bemirps of n digits such that the 4 bemirps are the greatest of twin primes or 0 if no such primes exist.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10006181886601, 106018800186811, 1101166116061861, 10061808618988111, 100160900018898991, 1000608991191088891, 10000161689690916661, 100006066111081680961

Offset

0,15

Links

Table of n, a(n) for n=0..21.

Example

10006181886601 is the least of the quartet of bemirps:
10006181886601, 10009181889901, 10668818160001, 10998818190001 are all primes;
10006181886599, 10009181889899, 10668818159999, 10998818189999 are all primes;
4 pairs of twins.

Crossrefs

Sequence in context: A104833 A112432 A230100 * A288264 A127225 A257141

Adjacent sequences: A122963 A122964 A122965 * A122967 A122968 A122969

Keyword

base,nonn,uned

Author

Pierre CAMI, Oct 27 2006

Status

approved