7635497427

Appears in sequences

• a(n) = (4^(n+1) + 6n + 5)/9.at n=17A073724
• Expansion of (1 - x)^(-1)/(1 + x - 2*x^2).at n=34A077898
• a(n) = a(n-1) + 3*a(n-2) - a(n-3) - 2*a(n-4), n > 3.at n=34A133993