47009domain: NAppears in sequencesa[n] =a[n-1] + 2*n*Prime[n]-n^2.at n=27A093809a(n) = n^4 - n^3 - n^2 - n - 1.at n=15A125082p-INVERT of the positive integers, where p(S) = (1 - S)^3.at n=8A290918