75170

Appears in sequences

• Poincaré series [or Poincare series] (or Molien series) for a certain six-fold wreath product P_6.at n=48A091769
• Inverse Moebius transform of Fibonacci numbers 0, 1, 1, 2, 3, 5, 8, ...at n=25A108046
• a(n) = A000041(n) - A032741(n).at n=44A167934
• Constant term of the reduction by x^2->x+1 of the polynomial p(n,x) = 1 + x^n + x^(2n).at n=12A192464
• Triangle T(n,k), n>=0, 0<=k<=2n, read by rows: row n gives the coefficients of the chromatic polynomial of the complete bipartite graph K_(n,n), highest powers first.at n=31A212084
• Triangle T(n,k), n>=0, 0<=k<=n, read by rows: row n gives the coefficients of the chromatic polynomial of the (n,2)-Turán graph, highest powers first.at n=61A266972
• Expansion of 1/((1 - x + x^3)^2 + 4*x^4).at n=19A375288