46046

Appears in sequences

• 4-dimensional figurate numbers: a(n) = (5*n-1)*binomial(n+2,3)/4.at n=21A002418
• A simple grammar: rooted sequences of cycles.at n=7A052860
• a(n) = 36*n^2 - 17*n + 2.at n=35A157265
• a(n) = binomial(floor(n/2),4) + (ceiling(n/2)-3)*binomial(floor(n/2),3).at n=47A234277
• Expansion of x*(1 + 3*x + x^2)/((1 - x)^5*(1 + x)^4).at n=41A287143
• Triangle read by rows, T(n, k) = (-1)^(n-k)*n!*[t^k]([x^n] exp(x*t)/(1 + log(1+x))) for 0<=k<=n.at n=29A291978
• a(n) = Sum_{k=1..n} (-1)^(k+1) * floor(n/k)^3.at n=36A344721
• Perimeters of more than one primitive 120-degree integer triangle.at n=37A350047
• a(n) = n*(n+1)*(n+2)*(n+3)*(2*n+1)/12.at n=11A356251