162060

Appears in sequences

• a(n) = greatest integer N such that (number of primes <= N) >= (number of numbers <= N that contain a zero in base n).at n=28A306526
• Triangle read by rows: Take a hexagram with all diagonals drawn, as in A331908. Then T(n,k) = number of k-sided polygons in that figure for k = 3, 4, ..., n+5.at n=31A331909