1406371domain: NAppears in sequencesCyclotomic polynomials at x=6.at n=15A019324a(n) = n^8 - n^7 + n^5 - n^4 + n^3 - n + 1.at n=6A060889Zsigmondy numbers for a = 6, b = 1: Zs(n, 6, 1) is the greatest divisor of 6^n - 1^n (A024062) that is relatively prime to 6^m - 1^m for all positive integers m < n.at n=14A064082