527076

Appears in sequences

• Squares of even pentagonal pyramidal numbers.at n=8A014800
• Even squares in which parity of digits alternates.at n=19A030158
• Numbers of the form (6^i)*(11^j), with i, j >= 0.at n=27A108698
• Squares for which both the sum of the digits and the product of the digits are cubes.at n=28A117687
• Perfect squares in A133459; or perfect squares that are the sums of two nonzero pentagonal pyramidal numbers.at n=33A136359
• Squares such that square-+5 are primes.at n=16A154711
• Number of (n+2) X 3 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=17A202093
• Number of (n+1)X2 0..5 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=3A203927
• Number of (n+1)X5 0..5 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=0A203930
• T(n,k)=Number of (n+1)X(k+1) 0..5 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=6A203934
• T(n,k)=Number of (n+1)X(k+1) 0..5 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=9A203934
• Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically.at n=7A207698
• Number of (n+1)X(2+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=18A250426
• Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = sqrt( Product_{a=1..n} Product_{b=1..k} (4*sin((2*a-1)*Pi/(2*n))^2 + 4*sin((2*b-1)*Pi/k)^2) ).at n=32A341533
• a(n) = sqrt( Product_{j=1..n} Product_{k=1..4} (4*sin((2*j-1)*Pi/(2*n))^2 + 4*sin((2*k-1)*Pi/4)^2) ).at n=4A341544