147600

Appears in sequences

• Triangle read by rows: T(n,k) = (n+1,k)-th element of (M^3-M)/2, where M is the infinite lower Pascal's triangle matrix, 1<=k<=n.at n=47A096034
• Numbers with prime factorization pq^2r^2s^4.at n=24A190319
• The Wiener index of the linear phenylene with n hexagons.at n=19A224454
• Subsets of {1,2,...,n-6} without differences equal to 3 or 6.at n=35A224810
• Number of length 3+1 0..n arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=38A250168
• Let a(0)=1. Then a(n) = sums of consecutive strings of positive integers of length 3*n, starting with the integer 2.at n=32A289721
• Coreful triperfect numbers: numbers k such that csigma(k) = 3*k, where csigma(k) is the sum of the coreful divisors of k (A057723).at n=12A364990
• Exponential abundant numbers that are not exponential unitary abundant.at n=21A391085
• Exponential Zumkeller numbers that are not exponential unitary Zumkeller numbers.at n=24A391090