128801
domain: N
Appears in sequences
- Padovan sequence (or Padovan numbers): a(n) = a(n-2) + a(n-3) with a(0) = 1, a(1) = a(2) = 0.at n=48A000931
- For n = 0, 1, 2, a(n) = n; thereafter, a(n) = 2*a(n-1) - a(n-2) + a(n-3).at n=22A005314
- a(0) = 0, a(1) = 1, a(2) = 1; thereafter a(n) = 5*a(n-1) - 4*a(n-2) + a(n-3).at n=12A012855
- Pisot sequences E(5,9), P(5,9).at n=18A020713
- Pisot sequences E(7,9), P(7,9).at n=35A020720
- Binomial transform of Padovan sequence A000931.at n=16A034943
- Expansion of (1 - x)/(1 - x^2 - x^3).at n=50A078027
- Number of n-th generation triangles in the tiling of the hyperbolic plane by triangles with angles {Pi/2, Pi/3, 0}.at n=38A096231
- Expansion of (1+x)^2/((1+x)^2+x^3).at n=24A099529
- Padovan sequence for indices of the Beatty sequence of the tribonacci constant.at n=24A108168
- Padovan numbers for which the digital root is also a Padovan number.at n=36A117598
- Padovan numbers for which the product of the digits is also a Padovan number.at n=19A117599
- Padovan numbers for which the multiplicative digital root is also a Padovan number.at n=31A117600
- Padovan numbers that are semiprimes.at n=12A122498
- Expansion of (1+x)/(1-x^2+x^3).at n=50A124745
- Odd Padovan numbers.at n=27A134719
- Padovan's spiral numbers.at n=43A134816
- Spiral of triangles around a hexagon.at n=40A164001
- INVERT transform of A028310.at n=14A181984
- Expansion of 1/(1-x^2-x^3).at n=45A182097