54620

Appears in sequences

• Numbers n such that A003313(3n) < A003313(n).at n=14A104699
• Numbers k such that A003313(k) = A003313(6*k).at n=14A116461
• Number of free poly-[3.6.3.6]-tiles (holes allowed) with n cells (division into rhombi is significant).at n=12A197459
• Numbers k such that A206369(k) = A206369(k + 1).at n=32A206368
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 625", based on the 5-celled von Neumann neighborhood.at n=36A273272
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)*b(n), where a(0) = 1, a(1) = 4, b(0) = 2, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=16A296268