25791485domain: NAppears in sequencesG.f.: Sum_{n>=0} (2*n+1)! * x^n / Product_{k=1..2*n+1} (1 + k*x).at n=5A208886Number of permutations p of [n] whose fixed points j < n have a larger right neighbor p(j+1) > j.at n=11A371800