50443

Appears in sequences

• Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by more than one.at n=13A269584
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f.: exp(Product_{j=1..n} (1+x^j) - 1).at n=62A294250
• E.g.f.: exp((1+x)*(1+x^2)*(1+x^3) - 1).at n=7A294251