117297
domain: N
Appears in sequences
- a(n) = Fibonacci(n+1) - 2^floor(n/2).at n=25A005672
- Diagonal sums of triangle A008949.at n=23A079284
- First differences of A079284.at n=24A079285
- a(n) = Fibonacci(2n+2)-2^n.at n=12A105693
- Expansion of (1-x+3*x^2+x^3) / ((1-x-x^2)*(1+2*x^2)).at n=25A116698
- Number of integer compositions of n that are the first sums of more than one nonnegative sequence.at n=22A391682