32149

Appears in sequences

• The sequence e when b=[ 1,0,1,1,1,... ].at n=45A042953
• a(n) = (2*n-1)*(13*n^2-13*n+6)/6.at n=19A063493
• Number of unordered pairs of partitions of n (into distinct parts) with empty intersection.at n=34A108796
• 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=23A221632
• Equals one maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 3Xn array.at n=4A221634
• a(n) is the least number of sides of a regular circumscribed k-gon whose perimeter yields Pi to within 1/10^n.at n=8A259442
• Centered octahemioctahedral numbers: a(n) = (4*n^3+24*n^2+8*n+3)/3.at n=27A274974