55485domain: NAppears in sequencesProduct plus sum of five consecutive nonnegative numbers.at n=7A173044a(n) = (122n^3 + 140n^2 + 45n + 3n(-1)^n)/8.at n=15A191698a(n) = n*(3*n^2 - 5*n + 3).at n=27A226450