OFFSET
1,2
COMMENTS
Found as a solution for Ken Duisenberg's Puzzle of the Week, archived September 12, 2008.
The maximal cardinality of a set of distinct polyominoes with total area n^2 is an upper bound, and I conjecture that this bound is always attainable. - Charlie Neder, Mar 06 2019
LINKS
Ken Duisenberg, Puzzle of the Week: September 12, 2008
Charlie Neder, Example dissections for n = 9, 10, 11, 12
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Ken Duisenberg (Ken.Duisenberg(AT)hp.com), Sep 24 2008
EXTENSIONS
a(9)-a(14) from Charlie Neder, Mar 06 2019
STATUS
approved