306749

Properties

Appears in sequences

• Number of n X n 0..1 arrays with no element equal to more than two horizontal or vertical neighbors, with new values 0..1 introduced in row major order.at n=4A240477
• Number of nX5 0..1 arrays with no element equal to more than two horizontal or vertical neighbors, with new values 0..1 introduced in row major order.at n=4A240481
• T(n,k)=Number of nXk 0..1 arrays with no element equal to more than two horizontal or vertical neighbors, with new values 0..1 introduced in row major order.at n=40A240484
• Primes p such that the digits of p^2 are squares.at n=16A308917
• Primes p such that p^2 contains all of the square digits {0, 1, 4, 9} only.at n=8A316969
• Prime numbersat n=26550