549152

Appears in sequences

• Powerful(1) numbers (A001694) whose digit reversal is a pentagonal number (A000326).at n=19A115695
• Half the number of (n+1)X2 0..3 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=4A183972
• T(n,k)=Half the number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=10A183976
• T(n,k)=Half the number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=14A183976
• Smallest integer m > n such that both n*m and (n+1)*(m+1) are squares.at n=32A212651
• Numbers n such that both ror(n) and rol(n) are squares, where ror(x)=A038572(x) is x rotated one binary place to the right, rol(x)=A006257(x) is x rotated one binary place to the left.at n=18A274524
• a(n) = n * (4*n + 3)^2.at n=32A322675