55480

Appears in sequences

• Euler transform of powers of 2 [ 2,4,8,16,... ].at n=11A034899
• A sixth degree product form sequence: a(n)=Product[(1 + 4*Sin[k*Pi/n]^2 + 16*Sin[k*Pi/n]^4 + 64*Sin[k*Pi/n]^6), {k, 1, Floor[(n - 1)/2]}].at n=9A152143