49743

Appears in sequences

• Sum of the coefficients of the n-th Moebius polynomial, M(n,x), where M(n,-1) = mu(n), the Moebius function of n.at n=14A074587
• a(n) = n*(n^3-n^2+n+1)/2.at n=18A100855
• Expansion of (1-4x+12x^2-16x^3+8x^4)/(1-x)^5.at n=34A119327
• Triangle read by rows: T(n,k) appears in the transformation Sum_{k=0..n} (k+1)*x^k = Sum_{k=0..n} T(n,k)*(x+k)^k.at n=38A247236
• a(n) = Sum_{k=0..floor(n/3)} binomial(3*k,2*n-6*k).at n=23A392435