178956956

Appears in sequences

• Expansion of 1/((1-x)*(1-2*x)*(1-x^2)).at n=26A011377
• Generalized Jacobsthal numbers.at n=28A083579
• a(n) = 2*(4^n - 1)/3 - n.at n=13A144414
• Partial sums of floor(2^n/3).at n=27A178420