917501

Appears in sequences

• The number of edges on a piece of paper that has been folded n times (see comments for more precise definition).at n=34A133257
• a(n) = 7*2^n - 3.at n=17A156127
• Expansion of (1+4*x+5*x^2-x^3)/((1-x)*(1+x)*(1-2*x^2)).at n=35A220753