A271796 Number of set partitions of [n] having exactly nine pairs (m,m+1) such that m is in some block b and m+1 is in block b+1.
0, 1, 55, 1505, 29324, 470327, 6695470, 88385973, 1111798442, 13564841773, 162467818939, 1926323411088, 22746380908378, 268674567620291, 3184862187668777, 37981401796219812, 456537084216273054, 5538881542974933954, 67901571491109849536, 841799517686212572527
Offset: 9
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 9..300
Crossrefs
Column k=9 of A185982.