OFFSET
0,9
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..826
Wikipedia, Partition of a set
FORMULA
a(n) = Product_{i=0..6} A000110(floor((n+i)/7)).
EXAMPLE
a(9) = 4: 18|29|3|4|5|6|7, 18|2|3|4|5|6|7|9, 1|29|3|4|5|6|7|8, 1|2|3|4|5|6|7|8|9.
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jul 15 2016
STATUS
approved