-53615

Appears in sequences

• Expansion of 1/(1-x+2*x^2-x^3) in powers of x.at n=42A077954
• Expansion of 1/(1+x+2*x^2+x^3).at n=42A077979
• a(n) = Sum_{k=0..n} (-1)^k * binomial(n, k) * A000931(n-k+4).at n=22A144413
• Row sums of number triangle A185962.at n=28A185963