196035840domain: NAppears in sequencesa(n) = n! * Catalan(n+1).at n=8A065866Denominator of x(n) = Sum_{k=1..n} ((odd part of k)/(k^2)).at n=16A111930Denominator of x(n) = Sum_{k=1..n} ((odd part of k)/(k^2)).at n=17A111930(Sum of first n Fibonacci numbers) times (product of first n Fibonacci numbers).at n=8A191994