315121

Appears in sequences

• Cyclotomic polynomials at x=5.at n=15A019323
• Strong pseudoprimes to base 5.at n=32A020231
• a(n) = n^8 - n^7 + n^5 - n^4 + n^3 - n + 1.at n=5A060889
• Zsigmondy numbers for a = 5, b = 1: Zs(n, 5, 1) is the greatest divisor of 5^n - 1^n (A024049) that is relatively prime to 5^m - 1^m for all positive integers m < n.at n=14A064081
• Overpseudoprimes to base 5.at n=15A141390