45648
domain: N
Appears in sequences
- a(n) = nonnegative value y such that (A155135(n), y) is a solution to the Diophantine equation x^3+28*x^2 = y^2.at n=37A155137
- a(n) = nonnegative value y such that (A155136(n), y) is a solution to the Diophantine equation x^3+28*x^2 = y^2.at n=36A155138
- Number of 0..7 arrays x(0..n+1) of n+2 elements without any interior element greater than both neighbors.at n=3A200885
- Number of 0..n arrays x(0..5) of 6 elements without any interior element greater than both neighbors.at n=6A200889
- Number of nX1 0..7 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=6A202909
- Number of nX7 0..7 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=0A202915
- T(n,k) = Number of n X k 0..7 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=21A202916
- T(n,k) = Number of n X k 0..7 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=27A202916
- G.f. satisfies: A(x) = 1/Product_{n>=1} (1 - x^n*A(x^n)^n).at n=10A205775
- Prime sieve of Pi.at n=37A245770
- Expansion of Product_{k>=1} (Product_{j=1..k} (1 + x^(k*j))^k).at n=20A327064