11445210

Appears in sequences

• Number of reduced words of length n in Coxeter group on 6 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.at n=10A163317
• a(n) = floor(log_10(1/error(n))), where error(n) is the error in the n-th iteration of the quartic Borwein-Borwein algorithm for computing 1/Pi.at n=10A276780