Hit polynomials, coefficient of y^2 in N_n(y).
A004309
Hit polynomials, coefficient of y^2 in N_n(y).
Terms
- a(0) =0a(1) =10a(2) =60a(3) =595a(4) =4512a(5) =44802a(6) =457040a(7) =5159517a(8) =62939040a(9) =829049884a(10) =11727029860a(11) =177384144795
External references
- oeis: A004309