1634221
domain: N
Appears in sequences
- Cyclotomic polynomials at x=6.at n=20A019324
- Cyclotomic polynomials at x=-6.at n=20A020505
- a(n) = n^4 - n^3 + n^2 - n + 1.at n=36A060884
- a(n) = n^8 - n^6 + n^4 - n^2 + 1.at n=6A060892
- Zsigmondy 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=19A064082
- a(n) = 1 - sigma(n) + sigma(n)^2 - sigma(n)^3 + sigma(n)^4.at n=21A259410