90304

Appears in sequences

• a(n) = coefficient of the term that is independent of sqrt(2) and sqrt(3) in the expansion of (1 + sqrt(2) + sqrt(3))^n.at n=9A188570
• Number of self-inverse permutations p on [n] where the maximal displacement of an element equals 8.at n=13A238919
• G.f. A(x,y) satisfies: A(x,y) = x*y + A(x,x*y)^2, with A(0,y) = 1.at n=57A275670