135525domain: NAppears in sequencesa(n) = n*(n+1)*(2*n^2+1)/6.at n=25A071238Structured pentakis dodecahedral numbers (vertex structure 6).at n=24A100173Self-convolution 5th power equals A113665, where a(n) = n*A113665(n-1) for n>=1, with a(0)=1.at n=5A113671