439667406451domain: NAppears in sequencesa(n) = 6^n - 5^n.at n=15A005062Nexus numbers (n+1)^15 - n^15.at n=5A022531Number of second differences of arrays of length n+2 of numbers in 0..5.at n=12A228215Number of third differences of arrays of length n+3 of numbers in 0..5.at n=11A228257