OFFSET
0,1
REFERENCES
Discovered by Denis Borris and Ed Pegg Jr.
LINKS
Ed Pegg, Jr., Commentary on Weekly Puzzles
EXAMPLE
The first n weights give the number of distinct combinations given in A037255. The weights 1, 3, 9, 27, 81, 243, 729 also work for this problem, but are not distinct. Further numbers are calculable.
CROSSREFS
KEYWORD
more,nice,nonn
AUTHOR
STATUS
approved