OFFSET
1,2
COMMENTS
For any n > 0, A002024(a(n)) appears as a substring in n.
LINKS
EXAMPLE
A337918(67) = 120, hence a(120) = 67.
PROG
(Perl) See Links section.
CROSSREFS
KEYWORD
AUTHOR
Rémy Sigrist, Jan 29 2021
STATUS
approved