OFFSET
1,2
COMMENTS
This sequence is a variant of A368148.
Empirically, each column is eventually periodic.
LINKS
Rémy Sigrist, Illustration of initial rows
Rémy Sigrist, Representation of first 500 rows
Rémy Sigrist, PARI program
EXAMPLE
Triangle T(n, k) begins:
1
2 2
1 3 1
2 2 3 2
1 3 1 3 2
2 2 3 2 1 3
1 3 1 3 2 3 1
2 2 3 2 1 3 2 2
1 3 1 3 2 4 1 3 1
2 2 3 2 1 3 4 2 3 2
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Rémy Sigrist, Dec 17 2023
STATUS
approved