69189120

Appears in sequences

• Second (unsigned) column sequence of triangle A062138 (generalized a=5 Laguerre).at n=7A062148
• a(n) = Product_{k=1..n} k/floor(n/k).at n=14A076000
• Triangle of unsigned 3-Lah numbers.at n=37A143498
• Triangle read by rows, T(n,k) = (k+1)*(n+1)!*(n+k)!/((k+1)!^2*(n-k)!) with n >= 0 and 0 <= k <= n.at n=34A253284
• Maximal coefficient in Hermite polynomial of order n.at n=13A277280
• Maximal coefficient (ignoring signs) in Hermite polynomial of order n.at n=13A277281
• Bi-unitary superabundant numbers: numbers n such that bsigma(n)/n > bsigma(m)/m for all m < n, where bsigma is the sum of the bi-unitary divisors function (A188999).at n=16A292984
• Bi-unitary highly composite numbers: where the number of bi-unitary divisors of n (A286324) increases to a record.at n=19A293185
• Triangle T(n,k) of coefficients of polynomials arising from Gaussian-weighted Chebyshev integrals.at n=29A391950
• a(n) = Sum_{k=0..floor(n/3)} 2^k * 3^(n-3*k) * binomial(k+6,6) * binomial(k,2*(n-3*k)).at n=23A391961