27389

Appears in sequences

• Coefficients of modular function G_4(tau).at n=35A005762
• Triangle read by rows: T(n,k) is the number of Motzkin paths of length n having trapezoid weight k.at n=60A104573
• Numbers k such that lcm(1,2,3,...,k)/13 equals the denominator of the k-th harmonic number H(k).at n=15A112818
• Expansion of q^(-1/3) * (eta(q) * eta(q^9))^2 / eta(q^3)^4 in powers of q.at n=36A192329
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 865", based on the 5-celled von Neumann neighborhood.at n=28A273701
• Numerators of the partial sums of the reciprocals of the 3rd Piltz function d_3(n) (A007425).at n=36A379357