162631domain: NAppears in sequencesNumber of Boolean functions of n variables from Post class F(5,inf).at n=4A051381Limit of reversed rows of triangle A126470, in which row sums equal the factorials.at n=25A126471a(n) = Sum_{k=0..n} (-1)^k * binomial(n+k+1,n-k) * Fibonacci(k+1).at n=17A390852