475658

Appears in sequences

• Number of permutations p of 1,2,...,n satisfying |p(i+1)-p(i)|<>5 and |p(j+5)-p(j)|<>1 for all i=1..n-1, j=1..n-5.at n=10A189564
• Number of ways to place n nonattacking composite pieces rook + rider[1,5] on an n X n chessboard.at n=9A189852