49208

Appears in sequences

• a(n) = (5*3^(n-1)+1)/2.at n=9A057198
• Total area of the largest inscribed rectangles of all integer partitions of n.at n=27A182099
• Triangular array: (1/2)*A193846.at n=43A193848
• Triangular array: (1/2)*A193847.at n=37A193849
• Permutation of natural numbers: a(n) = A048673(A122111(n)).at n=57A243506
• a(1) = 1, then A007051 ((3^n)+1)/2 interleaved with A057198 (5*3^(n-1)+1)/2.at n=20A246360
• Square array A by downward antidiagonals: A(n,k) = (3 + 3^n*(2*floor(3*k/2) - 1))/6, n,k >= 1; read as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), ...at n=64A254051
• Rectangular array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = S(4*A257499(n,k) - 3), n,k >= 1, where the function S is as defined in A257480.at n=45A254067
• Row sums of A321624.at n=10A321573
• a(n) = floor(2^n csc(1/n)).at n=11A333186
• Number of sets (in the Hausdorff metric geometry) at each location between two sets defined by a complete bipartite graph K(3,n) (with n at least 2) missing one edge.at n=4A335608
• Number of sets (in the Hausdorff metric geometry) at each location between two sets defined by a complete bipartite graph K(6,n) (with n at least 2) missing one edge.at n=1A335611
• a(n) = A048673(A181815(n)).at n=57A341351
• Records in the numbers of representations of k^2 as x^2 - x*y + y^2, x > 2*y >= 0, corresponding to the numbers of grid points with squared radius A357302(n)^2 in an angular sector 0 <= phi < Pi/6 of the triangular lattice.at n=24A357303