414646

Appears in sequences

• Perrin sequence (or Perrin numbers, or Ondrej Such sequence): a(n) = a(n-2) + a(n-3) with a(0) = 3, a(1) = 0, a(2) = 2.at n=46A001608
• Expansion of ( 2+x+2*x^2 ) / ( 1-2*x+x^2-x^3 ).at n=21A109377
• a(n) = round(r^n) where r is the smallest Pisot number (real root r=1.3247179.. of x^3-x-1).at n=46A205579
• a(n) = a(n-1) + a(n-2) + a(n-4).at n=23A259967