10924032

Appears in sequences

• Numbers m such that sigma(m) is a perfect number.at n=3A146542
• Numbers n of the form 2^(A000043-1)*A046528 such that sigma(n) is a perfect number.at n=1A175906
• Numbers that can be expressed as the product of largest odd proper divisor and the sum of odd proper divisors.at n=10A225880
• a(n) is the least k such that A073802(k) = n.at n=12A284229
• 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=25A298399
• 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=33A379778