OFFSET
1,3
COMMENTS
This sequence shows a chaotic behavior.
Empirically, a(n) is even for any n > 2.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..10000
Rémy Sigrist, C++ program for A306743
FORMULA
a(n) = A306741(n, n).
EXAMPLE
a(3) = A306741(3, 3) = 2.
PROG
(C++) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Mar 07 2019
STATUS
approved