9586921

Appears in sequences

• Expansion of (1+3*x+14*x^2-10*x^3-10*x^4+16*x^5+15*x^6-15*x^7-2*x^8+4*x^9+8*x^10) / ((1+4*x^2)*(1-x^2+x^4)*(1+x^2)^2).at n=21A112522