1415713

Appears in sequences

• Expansion of 1/(1-x^2-2*x^3).at n=36A052947
• Expansion of (1-x)/((1-x)^2 - 4*x^3).at n=18A097117
• Expansion of g.f. (x^2+x+1)*(2*x^2+2*x+1)*(x-1)^2/((1-x^2-2*x^3)*(x^4+1)).at n=37A107850
• Expansion of x^2/(1-x^2-2*x^3).at n=38A159287
• Diagonal sums of the Riordan array (1-4*x+4*x^2, x*(1-2*x)) (A167431).at n=32A167434
• The Ze2 sums of the Pell-Jacobsthal triangle A013609.at n=12A180678