Number of 7-block bicoverings of an n-set.
A059948
Number of 7-block bicoverings of an n-set.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =40a(5) =3306a(6) =131876a(7) =3961356a(8) =103290096a(9) =2488179582a(10) =57162274972
External references
- oeis: A059948