OFFSET
1,3
COMMENTS
See A276630 for detailed explanation about which signature sets appear here.
It appears that the number of signature sets with the same sum tend to increase as the sums increase.
EXAMPLE
Signature sets start:
{}
{1}
{2}
{4}
{1, 1, 1, 1}
{3, 1, 1}
{3, 3}
{2, 2, 2, 1}
{1, 1, 1, 1, 1, 1, 1}
{8}
{7, 1}
{3, 1, 1, 1, 1, 1}
{6, 2, 1}
{5, 2, 2}
{3, 3, 1, 1, 1}
{3, 3, 3, 1}
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
{8, 1, 1}
{6, 5}
{3, 1, 1, 1, 1, 1, 1, 1, 1}
{10, 1, 1}
{10, 3}
{4, 4, 4, 1}
{2, 2, 2, 2, 2, 2, 1}
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
CROSSREFS
KEYWORD
nonn
AUTHOR
Bob Selcoe, Sep 07 2016
STATUS
approved