46736

Appears in sequences

• Number of triangular polyominoes (or polyiamonds) [A000577] with perimeter n.at n=14A057729
• Number of ways to place 5 nonattacking queens on an n X n board.at n=3A108792
• a(4n+k) = 4a(4n+k-1)-6a(4n+k-2)+4a(4n+k-3), for k = 0,1,2; 2*a(4n+3) = 7a(4n+2)-8(4n+1)+2a(4n), with a(0) = a(1) = a(2) = 0, a(3) = 1.at n=19A132152
• Number of length 3+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.at n=22A250322
• Number of minimum total dominating sets in the n X n knight graph.at n=10A323549
• a(n) is the total number of down-steps after the final up-step in all 3-Dyck paths of length 4*n (n up-steps and 3*n down-steps).at n=6A334682
• Numbers k such that both k and k+1 are not exponentially squarefree numbers.at n=36A342188
• Number T(n,k) of ways to place k nonattacking queens on an n X n board; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=41A348129