39254

Appears in sequences

• Expansion of g.f. (1-x^2)/(1-x-2*x^2+x^3).at n=19A028495
• Row sums of triangle A060556.at n=9A060557
• Integer averages of two successive perfect powers (pp(n) + pp(n+1))/2.at n=37A075454
• Distinct-digit averages of two successive perfect powers (pp(n) + pp(n+1))/2.at n=25A075456
• Numbers less than the maximum possible determinant A085000(4)=40800 not occurring as determinant of a 4 X 4 matrix with elements 1..16.at n=25A088237
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (-1, 1, 0), (1, 0, -1), (1, 0, 0)}.at n=11A148513
• Let i be in {1,2,3} and let r >= 0 be an integer. Let p = {p_1, p_2, p_3} = {-2,0,1}, n = 2*r + p_i and define a(-2)=0. Then, a(n) = a(2*r + p_i) gives the quantity of H_(7,3,0) tiles in a subdivided H_(7,i,r) tile after linear scaling by the factor x^r, where x = sqrt(2*cos(Pi/7)).at n=39A187067
• Number of n X 2 arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor.at n=4A221162
• T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor.at n=16A221165
• T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor.at n=19A221165
• T(n,k)=Number of length (n+k)X1 arrays of occupancy after each element moves up to +-k places including 0.at n=43A222345
• Numbers that are midway between the nearest square and the nearest cube.at n=28A233075
• Number of palindromic compositions of n with parts in {1,2,4,6,8,10,...}.at n=39A276055