666624

Appears in sequences

• Number of n X n matrices over GF(2) with characteristic polynomial x^n - 1.at n=4A089035
• Fixed points of 1+Phi power sigma function 1PhiPsigma: integers m such that 1PhiPsigma(m) = m, where for j = Product p_i^r_i, 1PhiPsigma(j) = Product_i Sum_{0 <= s_i <= r_i, s_i is 0 or coprime to r_i} p_i^s_i.at n=6A095724
• Triangle, read by rows, where T(0,0) = 1, T(n,k) = 2^n*T(n-1,k) + T(n-1,k-1).at n=23A108084
• Triangle, read by rows, where T(0,0) = 1, T(n,k) = 2^n*T(n-1,k) - T(n-1,k-1).at n=23A108085
• Numbers that can be expressed as the product of largest odd proper divisor and the sum of odd proper divisors.at n=8A225880
• a(n) is the least k such that A073802(k) = n.at n=10A284229
• Triangle read by rows: T(n,k) is the number of direct sum decompositions of GF(2)^n whose maximal subspace has dimension k, 1<=k<=n, n>=1.at n=18A298399
• Number of n X n matrices over GF(2) with minimal polynomial x^n - 1.at n=4A335804
• Irregular triangular array read by rows. T(n,k) is the number of matrices in GL_n(F_2) having order k, 1<=k<=2^n-1, n>=1.at n=30A346743
• Triangular array read by rows, T(n,k) is the number of n X n matrices over GF(2) that converge to an idempotent at rank k, n>=0, 0<=k<=n.at n=25A379778