99451

Appears in sequences

• Triangle of (Gaussian) q-binomial coefficients for q=-18.at n=16A015143
• Triangle of (Gaussian) q-binomial coefficients for q=-18.at n=19A015143
• Strong pseudoprimes to base 18.at n=30A020244
• a(n) = n^4 - n^3 + n^2 - n + 1.at n=18A060884
• a(n) = 1 - sigma(n) + sigma(n)^2 - sigma(n)^3 + sigma(n)^4.at n=9A259410
• a(n) = 1 - sigma(n) + sigma(n)^2 - sigma(n)^3 + sigma(n)^4.at n=16A259410