7761600

Appears in sequences

• T(2n+1,n), array T as in A054144.at n=11A054148
• Least m with n*(n+1)/2 divisors.at n=26A081620
• Highly abundant numbers (A002093) that are not Harshad numbers (A005349).at n=24A128702
• Denominator of Sum_{k=1..n} H(k)*H(n+1-k), where H(k) is the k-th harmonic number (Sum_{j=1..k} 1/j).at n=14A130895
• Number of length-n 0..6 arrays connected end-around, with no sequence of L<n elements immediately followed by itself (periodic "squarefree").at n=8A215226
• Triangle T(n,k) represents the coefficients of (x^16*d/dx)^n, where n=1,2,3,...; generalization of Stirling numbers of second kind A008277, Lah-numbers A008297.at n=32A223518
• Triangle read by rows, T(n, k) = RisingFactorial(n - k, k) * Stirling2(n - k, k), for n >= 0 and 0 <= k <= n//2, where '//' denotes integer division.at n=47A362788
• Numbers whose cubes have more square divisors than the cube of any smaller number.at n=31A377141