OFFSET
1,2
LINKS
P. Hyvernat, Some Properties of Inclusions of Multisets and Strictly Increasing Boolean Functions, arXiv preprint arXiv:1106.3874 [math.CO], 2011-2014. Also on HAL, hal-00601505.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 30 2011
STATUS
approved