OFFSET
1,7
REFERENCES
See A113827.
EXAMPLE
The least 13-tuple is {4943, 65003, 125063, 185123, 245183, 305243, 365303, 425363, 485423, 545483, 605543, 665603, 725663}.
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Jean-Marc Rebert, Jun 04 2016
STATUS
approved
