40730022148
domain: N
Appears in sequences
- Expansion of 2*x*(1 - x)/(1 - 3*x + x^2).at n=26A052995
- Row sums of array T in A055818; twice the odd-indexed Fibonacci numbers after initial term.at n=26A055819
- Number of base 4 n-digit numbers with adjacent digits differing by one or less.at n=25A126358
- Denominators of A178381(4*n+3)/A178381(4*n+2).at n=25A179133
- a(n) = (F(2*n-1) + F(2*n+2)) * (5/6 - cos(2*Pi*n/3)/3), where F(n) = Fibonacci(n).at n=25A179134