OFFSET
1,2
EXAMPLE
For n = 3: 9 = 9 = 4 + 5 = 2 + 3 + 4.
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
Ilya Gutkovskiy, Mar 13 2023
EXTENSIONS
a(6)-a(7) from Michael S. Branicky, Mar 13 2023
STATUS
approved