104673

Appears in sequences

• Expansion of x*(x^4 - x^3 + 4x^2 - 3x + 1)/(1 - 5x + 9x^2 - 8x^3 + 2x^4 - x^5).at n=13A111110
• a(n) = n*(4*n^2+5*n-3)/2.at n=36A126335
• Expansion of 1/(1 - x^6/(1-x)^7).at n=19A369809
• a(n) = Sum_{k=0..floor(n/2)} binomial(k+1,3*n-6*k+1).at n=40A392673