80094

Appears in sequences

• McKay-Thompson series of class 6B for Monster.at n=8A007255
• McKay-Thompson series of class 6B for Monster with a(0) = 7.at n=8A045485
• McKay-Thompson series of class 6B for the Monster group with a(0) = 12.at n=8A121665
• A triangular sequence based on the first level sum of polynomial coefficients: p(x,n,m)=(1 - x)^(n + m + 1)*Sum[k^(n - 1)*(1 - k)^(m - 1)*x^k, {k, 0, Infinity}]/4.at n=37A168217
• G.f.: (1-x)*(1-x-2*x^2-sqrt(1-2*x-3*x^2))/(2*x*(1-2*x-x^2)).at n=13A234270
• Least number k such that n*k^n +/- 1 are twin primes, or a(n) = 0 if no such number exists.at n=22A239735