273218425

Appears in sequences

• Centered cube numbers: a(n) = (n+1)^14 + n^14.at n=3A036092
• a(n) = 3^n + 4^n.at n=14A074605
• G.f.: (2-x)/((1+3x)(1-4x)); e.g.f.: exp(4x) + exp(-3x); a(n) = 4^n + (-3)^n.at n=14A087452