318659

Appears in sequences

• Number of ways to place any number of black and any number of white nonattacking knights on a (n+2)X(1+2) board.at n=2A251526
• Number of ways to place any number of black and any number of white nonattacking knights on a (n+2) X (3+2) board.at n=0A251528
• T(n,k)=Number of ways to place any number of black and any number of white nonattacking knights on a (n+2)X(k+2) board.at n=3A251531
• T(n,k)=Number of ways to place any number of black and any number of white nonattacking knights on a (n+2)X(k+2) board.at n=5A251531
• Number of bifurcating nodes at generation n in the binary tree of persistently squarefree numbers (see A293230).at n=44A293522