397800

Appears in sequences

• Triangle T(n, k) = (2*n+1)!! * 2^(floor((n-1)/2) + floor(k/2) + 1) * Beta(floor(n/2) + floor((k-1)/2) + 2, floor((n-1)/2) + floor(k/2) + 2), read by rows.at n=29A158868
• Triangle T(n, k) = (2*n+1)!! * 2^(floor((n-1)/2) + floor(k/2) + 1) * Beta(floor(n/2) + floor((k-1)/2) + 2, floor((n-1)/2) + floor(k/2) + 2), read by rows.at n=30A158868
• Numbers with prime factorization pqr^2s^2t^3.at n=25A190386
• Positive integers that have a record number of divisors in Gaussian integers.at n=43A279254
• p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S^3 - S^4.at n=22A291402
• a(n) = (4*n-2)*((n-1)*a(n-1) + ((n-2)!)^2), with a(1) = 0, n > 1.at n=4A302770
• Denominators of higher order Bernoulli numbers.at n=24A332666
• a(n) is the smallest number k >= 1 that has exactly n divisors in A020487.at n=28A368215
• The smallest number k that can be partitioned in n ways as the sum of two numbers from A020487.at n=25A369384