134643
domain: N
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=42A001608
- a(n) = L(n) + 2^n where L(n) = A000032(n) (the Lucas numbers).at n=17A088859
- Expansion of ( 2+x+2*x^2 ) / ( 1-2*x+x^2-x^3 ).at n=19A109377
- a(n) = floor(r^n) where r is the smallest Pisot number (real root r=1.3247179... of x^3-x-1).at n=42A112639
- Perrin numbers which are divisible by their digital root.at n=19A117959
- a(n) = round(r^n) where r is the smallest Pisot number (real root r=1.3247179.. of x^3-x-1).at n=42A205579
- Sixth-order spt function.at n=13A221144
- a(n) = a(n-1) + a(n-2) + a(n-4).at n=21A259967
- Expansion of Product_{k>=1} ((1+x^(3*k-1))*(1+x^(3*k-2)))^k.at n=48A262884