OFFSET
1,4
EXAMPLE
Non-isomorphic representatives of the a(20) = 12 strict multiset partitions of {1,1,1,2,3}:
{{1,1,1,2,3}}
{{1},{1,1,2,3}}
{{2},{1,1,1,3}}
{{1,1},{1,2,3}}
{{1,2},{1,1,3}}
{{2,3},{1,1,1}}
{{1},{2},{1,1,3}}
{{1},{1,1},{2,3}}
{{1},{1,2},{1,3}}
{{2},{3},{1,1,1}}
{{2},{1,1},{1,3}}
{{1},{2},{3},{1,1}}
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Gus Wiseman, Aug 23 2018
STATUS
approved