367416

Appears in sequences

• Triangle whose (i,j)-th entry is binomial(i,j)*3^(i-j)*3^j.at n=39A038221
• Triangle whose (i,j)-th entry is binomial(i,j)*3^(i-j)*3^j.at n=41A038221
• a(n) = 4!*n*Stirling2(n-1,4).at n=9A052776
• 3^(n-3)*n*(n-1)*(n-2).at n=9A052791
• Negative value of coefficient of x^(n-4) in the characteristic polynomial of a certain n X n integer circulant matrix.at n=5A127409
• (n^2-n)*3^n.at n=8A128797
• Triangle T(n, k) = (n-k)^n * binomial(n, n-k) for n < 2*k, k^n * binomial(n, k) for n >= 2*k with T(n, 0) = T(n, n) = 1, read by rows.at n=39A167040
• Triangle T(n, k) = (n-k)^n * binomial(n, n-k) for n < 2*k, k^n * binomial(n, k) for n >= 2*k with T(n, 0) = T(n, n) = 1, read by rows.at n=41A167040
• Coefficients of expansion polynomials related to fish weight allometric equation: p(x,t)=-Exp[t*x]*(1 - Exp[t/3])^3.at n=27A171506
• Number of ways to form k labeled groups, each with a distinct leader, using n people. Triangle T(n,k) = n!*k^(n-k)/(n-k)! for 1 <= k <= n.at n=38A199673
• Numbers m such that, in the prime factorization of m, the product of the exponents equals the sum of prime factors and exponents.at n=31A231231
• Number of solutions to gcd(u^2 + v^2 + w^2 + x^2 + y^2 + z^2, n) = 1 with u, v, w, x, y, z in [0,n-1].at n=8A238534
• Triangular array read by rows. T(n,k) is the number of chain topologies on an n-set with exactly k open sets where one of the open sets is a single point set, n >= 2, 3 <= k <= n+1.at n=31A282507
• Integers equal to the least common multiple of the set of numbers generated by all the differences between their consecutive divisors, taken in increasing order.at n=21A298045