OFFSET
0,3
LINKS
EXAMPLE
a(2) = 5:
3, 1;
1, 2.
a(3) = 42:
2, 5, 3;
5, 3, 4;
3, 4, 1.
a(4) = 2294:
2, 3, 6, 7;
3, 6, 7, 1;
6, 7, 1, 5;
7, 1, 5, 4.
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Stefano Spezia, Dec 22 2023
EXTENSIONS
a(6)-a(7) from Lucas A. Brown, Aug 26 2024
STATUS
approved