OFFSET
1,4
COMMENTS
This sequence is a 2-dimensional variant of A229037.
LINKS
Rémy Sigrist, Colored representation of T(n, k) for n = 1..1000 and k = 1..1000 (where the hue is function of T(n, k))
Rémy Sigrist, C++ program for A306717
FORMULA
T(n, k) = T(k, n).
T(n, 1) = T(n, 2) = A229037(n).
PROG
(C++) See Links section.
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Rémy Sigrist, Mar 06 2019
STATUS
approved