89404728

Appears in sequences

• Expansion of 1/(1 - 2*x - 2*x^2 - 3*x^3).at n=17A077834
• a(n) + a(n+1) + a(n+2) = 3^n.at n=18A152733
• a(n) = floor((3^n)/(2*n - 1)).at n=19A191632