89478471

Appears in sequences

• Expansion of 1/((1-x)*(1-2*x)*(1-x^2)).at n=25A011377
• a(n) = 4a(n-1) + 3n with a(0) = 0.at n=13A078904
• Partial sums of floor(2^n/3).at n=26A178420
• Numerator of sum(i=1..n, 3*i/4^i ).at n=12A215712