333840domain: NAppears in sequencesa(n) = 2025*n^2 - 649*n + 52.at n=12A156853Number of collinear point 4-tuples in an n X n .. X n 5-dimensional cubical grid.at n=5A178276Number of collinear point 4-tuples in a 6 X 6 X 6 X... n-dimensional cubic grid.at n=5A178299