56174

Appears in sequences

• Expansion of (1-2*x^3)/(1-2*x-x^3+2*x^4).at n=16A057744
• Expansion of (1 - x)/(1 + x - x^2 + 2*x^3).at n=16A078043
• Numbers k such that A003313(k) = A003313(7*k).at n=1A116462
• Expansion of x*(1 + x)/((1-2*x)*(1+x+x^2)).at n=17A294627
• G.f. satisfies A(x) = 1/(1-x)^4 + x^4*A(x)^4.at n=10A369693