39868

Appears in sequences

• Pisot sequence L(6,7).at n=25A048585
• Pisot sequence L(7,9).at n=24A048589
• Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 4 which is symmetric after a rotation by 180 degrees.at n=6A123779
• Number of tilings of a 3 X n rectangle using integer-sided rectangular tiles of equal area.at n=29A220769
• List of quadruples (r,s,t,u): the matrix M = [[9,24,16][3,10,8][1,4,4]] is raised to successive powers, then (r,s,t,u) are the square roots of M[3,1], M[3,3], M[1,1], M[1,3] respectively.at n=31A249581