301989887

Appears in sequences

• Expansion of (1+x^2-x^3)/((1-x)*(1-2*x)).at n=27A052996
• Number of 2-input gates used to synthesize parity function in disjunctive normal form (DNF) with n inputs.at n=23A074494
• a(1) = 2, a(n+1) = smallest squarefree number == 1 (mod a(n)) and > a(n).at n=28A076698