32744

Appears in sequences

• a(n) = binomial(2n, n) - binomial(n, floor(n/2))^2.at n=9A071801
• a(n) = Sum_{k=0..n} (1-(-1)^( floor( (-n-k)/2^k ) )) * 2^(k-1).at n=14A105229
• 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=29A227637
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 633", based on the 5-celled von Neumann neighborhood.at n=14A290064
• Expansion of Product_{i>=1, j>=1} theta_3(x^(i*j)), where theta_3() is the Jacobi theta function.at n=18A308286
• Expansion of Product_{k>=2} (1 + k*x^k).at n=24A317913
• Number of totally positive 3 X 3 matrices having all terms in {1,...,n}.at n=4A373724