40188

Appears in sequences

• Number of partitions of n having nonnegative even rank (the rank of a partition is the largest part minus the number of parts).at n=47A101709
• Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=18A192959
• T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 7.at n=22A264794
• Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 7.at n=5A264795
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 229", based on the 5-celled von Neumann neighborhood.at n=38A270948
• a(n) = 54*n^2 - 78*n + 36.at n=28A277983
• Number of integer-sided hexagons having perimeter n, modulo rotations but not reflections.at n=29A293823
• a(0) = a(1) = a(2) = 1; thereafter a(n) = a(n-1) - (-1)^n*a(n-2) + 2*a(n-3).at n=36A329301