2866544640

Appears in sequences

• a(n) = n!/A102356(n).at n=28A102456
• An analog of Pascal's triangle based on A129454. T(n, k) = A129454(n+1)/(A129454(n-k+1)*A129454(k+1)).at n=23A129455
• An analog of Pascal's triangle based on A129454. T(n, k) = A129454(n+1)/(A129454(n-k+1)*A129454(k+1)).at n=25A129455
• Sequence generated from A089080.at n=22A208147
• a(n) = n*n! / Product_{k=1..n} radical(k), where radical(n) is the product of distinct prime factors of n, cf. A007947.at n=36A387151