27047

Appears in sequences

• a(n) = A077708(n+1)/A077708(n).at n=13A077709
• Diagonal sums of the number triangle A098505.at n=27A098507
• Number of maximum matchings in the n-Andrásfai graph.at n=5A297535
• Numbers m that divide A177754(m) = Sum_{k=1..m} uphi(k), where uphi is the unitary totient function (A047994).at n=16A306950
• Triangle read by rows: T(n, k) is the number of k-dimensional subspaces in (F_3)^n, counted up to coordinate permutation (n >= 0, 0 <= k <= n).at n=58A347970
• Triangle read by rows: T(n, k) is the number of k-dimensional subspaces in (F_3)^n, counted up to coordinate permutation (n >= 0, 0 <= k <= n).at n=62A347970