60730

Appears in sequences

• Triangle read by rows: T(n,k) is the number of k-matchings in the P_4 X P_n lattice graph.at n=46A100265
• Number of n X 4 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=6A300962
• Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=3A300965
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=48A300966
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=51A300966
• Starts of runs of 3 consecutive factorial base Niven numbers (A118363).at n=20A328206
• Numbers k such that k and k+1 are both binary Moran numbers (A334344).at n=25A334345
• Consider the figure made up of a row of n adjacent congruent rectangles, with diagonals of all possible rectangles drawn; a(n) = number of interior vertices where exactly three lines cross.at n=44A336489