201881

Properties

Appears in sequences

• Primes of the form floor(k*(k+1)*Pi/2), k>=0, where Pi = 3.1415.. = A000796.at n=24A163579
• Number of strings of numbers x(i=1..8) in 0..n with sum i^2*x(i)^3 equal to 64*n^3.at n=25A184323
• Number of (n+3) X 10 0..2 matrices with each 4 X 4 subblock idempotent.at n=17A224727
• Prime numbersat n=18135