268468223

Appears in sequences

• a(n) = (2^n + 1)^2 - 2.at n=13A093069
• Smallest m such that A116361(m) = n.at n=29A116362
• Expansion of x*(2 - 7*x + 2*x^2)/((1-x)*(1-4*x)*(1-2*x)).at n=14A130567