216560
domain: N
Appears in sequences
- Number of true prime powers whose binary order, ceiling(log_2(p^x)), is n.at n=46A036380
- Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = x + 5.at n=22A257607
- Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = x + 5.at n=26A257607