102019

Properties

Appears in sequences

• Numbers n such that 30n-13, 30n-11, 30n-1, 30n+1, 30n+11, 30n+13 are all prime.at n=33A175683
• Primes of the form 10n^2 + 9.at n=18A201711
• Triangle read by rows: T(n, k) is the number of k-dimensional subspaces in (F_7)^n, counted up to coordinate permutation (n >= 0, 0 <= k <= n).at n=30A347973
• Triangle read by rows: T(n, k) is the number of k-dimensional subspaces in (F_7)^n, counted up to coordinate permutation (n >= 0, 0 <= k <= n).at n=33A347973
• Prime numbersat n=9769