28148

Appears in sequences

• Dying rabbits: a(0) = 1; for 1 <= n <= 12, a(n) = Fibonacci(n); for n >= 13, a(n) = a(n-1) + a(n-2) - a(n-13).at n=23A000044
• Start with {2} and close under the operations XY and XY+1; sequence gives complete list of numbers that do not appear.at n=95A093906
• Number of ways to place 3 nonattacking knights on a 3 X n board.at n=19A172212
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 371", based on the 5-celled von Neumann neighborhood.at n=34A271456