45153
domain: N
Appears in sequences
- a(n) = a(n-2) + a(n-3), with a(0) = 0, a(1) = 1, a(2) = 2.at n=39A007307
- Expansion of (1-2x)/(1-x^2+x^3).at n=38A117363
- Natural number transform of Aitken's triangle.at n=37A127740
- a(n) = 3*a(n-1) - 2*a(n-2) + a(n-3).at n=12A137531
- Transform of the finite sequence (1, 0, -1) by the T_{0,0} transformation.at n=14A159347
- Number of 0..n arrays x(0..6) of 7 elements with zero 4th differences.at n=41A200274
- a(n) = a(n-1) + a(n-2) + a(n-4), with a(1)=1, a(2)=1, a(3)=3, a(4)=6.at n=19A259968
- The number of distinct positions on an infinite chessboard reachable by the (2,3)-leaper (or zebra) in at most n moves.at n=37A297740
- Smallest k such that Product_{i=0..n} (k-i) divides C(2k,k).at n=3A375077