OFFSET
1,2
COMMENTS
This sequence has interesting graphical features.
The infinite string resulting from the concatenation of all terms matches the regular expression "^([19]2345674)*".
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..10000
Rémy Sigrist, PARI program for A327733
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
AUTHOR
Rémy Sigrist, Sep 23 2019
STATUS
approved