138378240

Appears in sequences

• a(n) = (n+1) * (2*n)! / n!.at n=7A002690
• Partial products of the sequence of prime powers (A000961).at n=10A024923
• a(n) = n^3*binomial(2*n, n)*Fibonacci(n).at n=8A119703
• a(n) = lcm(b(0),b(1),b(2),...,b(n)), where b(m) = A130479(m).at n=13A130480
• Denominator of Sum_{k=0..n} 1/k!!.at n=13A143383
• a(n) = 2^n * (n + 3)!!.at n=10A155160
• a(n) gives the determinant of a bisymmetric n X n matrix involving the entries 1, 2, ..., A002620(n+1).at n=11A259056
• Product of prime powers <= n.at n=16A308819
• Triangle read by rows: T(n, k) = binomial(n, k) * Pochhammer(n, k).at n=43A370706
• a(n) = Product_{k=0..n-1} (3*n+2*k).at n=6A384165