192512

Appears in sequences

• a(n) = (2*n+1)*2^floor((n+1)/2).at n=23A097578
• Integers k such that k + phi(k) + phi(phi(k)) is a fourth power.at n=24A116041
• Numbers with 26 divisors.at n=13A137489
• a(n) is the smallest positive integral multiple of 2^n not in the range of the Euler phi function.at n=12A181662
• Hankel transform of A186039.at n=12A186040
• a(n) = 4^n*A228842(n).at n=4A228843
• Decimal representation of the n-th iteration of the "Rule 103" elementary cellular automaton starting with a single ON (black) cell.at n=24A267139
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 998", based on the 5-celled von Neumann neighborhood.at n=17A290855
• a(0) = 1, a(1) = 4, a(2) = 11, and a(n) = 4*a(n-1) - 4*a(n-2) for n >= 3.at n=14A339252
• Number of vertices in graph G_n formed by taking a regular n-gon with all its chords extended to infinity (the n-th graph in A344857) and inverting it in its circumscribing circle.at n=34A383461