126672

Appears in sequences

• Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.at n=20A162920
• Expansion of 2/((x+3)*sqrt(-3*x^2-2*x+1)+3*x^2+2*x-1).at n=13A189832
• Number of squarefree words of length n in an 8-ary alphabet.at n=5A214942
• Number of squarefree words of length 6 in an (n+1)-ary alphabet.at n=6A214945
• The second crank moment function M_2(n).at n=26A220909
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 4/3.at n=35A279675
• Constant term in the expansion of (Sum_{k=0..n} k*(x^k + x^(-k)))^3.at n=14A303916