64828

Appears in sequences

• Sum of squares of four consecutive primes.at n=29A133524
• Convolution of A000108 (Catalan numbers) with A126120 (Catalan numbers interpolated with 0's).at n=11A161006
• Equals one maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 nX4 array.at n=3A221631
• T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 nXk array.at n=24A221632
• Equals one maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 4Xn array.at n=3A221635