67903

Appears in sequences

• Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having determinant equal to one, with rows and columns of the latter in nondecreasing lexicographic order.at n=35A227637
• Values of w(k) when w(k-2), w(k-1), and w(k) are all odd, where w is A336957.at n=18A338071