-4181
domain: Z
Appears in sequences
- a(n) = (-1)^n * Fibonacci(2*n+1).at n=9A099496
- Binomial transform of 1, 1, 0, -1, -1 (periodically continued).at n=17A138003
- Binomial transform of 1, 1, 0, -1, -1 (periodically continued).at n=18A138003
- a(n)=3a(n-1)-4a(n-2)+2a(n-3)-a(n-4), a(0)=a(1)=a(2)=0, a(3)=1, a(4)=3.at n=19A138112
- a(n) = a(n-1)+a(n-2), n>1 ; a(0)=1, a(1)=-1.at n=21A152163
- a(n)=(-1)^C(n+1,2)*(F(n+1)*(1+(-1)^n)/2+F(n+2)*(1-(-1)^n)/2).at n=17A178115
- a(n)=(-1)^C(n+1,2)*(F(n+1)*(1+(-1)^n)/2+F(n+2)*(1-(-1)^n)/2).at n=18A178115
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 363", based on the 5-celled von Neumann neighborhood.at n=37A268194
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 107", based on the 5-celled von Neumann neighborhood.at n=37A270167
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 211", based on the 5-celled von Neumann neighborhood.at n=35A270900
- a(n) = F(n) * (-1)^(n*(n-1)/2) where F(n) = A000045(n) Fibonacci numbers.at n=19A333378
- Dirichlet inverse of Fibonacci numbers, when started from A000045(1): 1, 1, 2, 3, 5, 8, 13, 21, ...at n=18A349451