263381

Appears in sequences

• Number of alkyl benzenes with n carbon atoms: C(n)H(2n-6).at n=19A000639
• Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.at n=5A304694
• Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.at n=4A304695
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.at n=49A304697
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.at n=50A304697