OFFSET
0,7
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..75
Wikipedia, Partition of a set
EXAMPLE
a(5) = 1: 1|25|34.
a(6) = 3: 16|25|34, 1|256|34, 1|25|346.
a(7) = 4: 16|25|34|7, 1|256|34|7, 1|25|346|7, 1|25|34|67.
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Sep 03 2024
STATUS
approved