65808

Appears in sequences

• Theta series of 8-d 6-modular lattice G_2 tensor F_4 (or A_2 tensor D_4) with det 1296 and minimal norm 4 in powers of q^2.at n=20A028977
• a(1) = 1, a(2n) = 16a(n), a(2n+1) = a(2n)+1.at n=22A033052
• a(1)=1, then add 1 multiply by 2 to get a(2), subtract 1 and multiply by 3 to get a(3), add 1 and multiply by 4 to get a(4) and so on.at n=7A085110
• Row sums of triangle A131923.at n=16A131924
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 326", based on the 5-celled von Neumann neighborhood.at n=16A281108
• Expansion of 1/(2 - Product_{k>=1} (1 + x^(2*k-1))).at n=21A307058
• a(n) is the sum of lattice points enumerated by the square number spiral falling on the circumference of circles centered at the origin of radii n.at n=39A309573
• Replace 2^k in binary expansion of n with 2^(2^k).at n=28A358126