128287

Properties

Appears in sequences

• a(n) = 1 + a(n-1) + a(n-2) + a(n-3) if n>=4; a(1) = a(2) = a(3) = 1.at n=20A248098
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 427", based on the 5-celled von Neumann neighborhood.at n=18A282106
• Number of multiplex juggling cards with n balls and capacity 2.at n=16A370304
• Prime numbersat n=12009