27842

Appears in sequences

• Numbers n such that 3*10^n + 8*R_n + 1 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=19A102980
• Expansion of eta(q^6)^3 * eta(q^10)^3 / (eta(q^2) * eta(q^3)^2 * eta(q^5)^2 * eta(q^30)) in powers of q.at n=47A257632
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood.at n=33A270679
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 78", based on the 5-celled von Neumann neighborhood.at n=14A278788