278208

Appears in sequences

• Main diagonal of Wythoff array: w(n,n)=[ n*tau ]F(n+1)+(n-1)F(n), where tau=(1+sqrt(5))/2, F(n) = Fibonacci numbers.at n=18A020941
• Fibonacci sequence beginning 0, 6.at n=24A022089
• Main diagonal of the Stolarsky array.at n=18A035489
• Expansion of (1+3x+x^2)/(1-3x+x^2).at n=12A099857
• Triangle read by rows, n>=1, 1<=k<=n, T(n,k) = k*binomial(n,k)^3*(n^2+n-k*n-k+k^2)/((n-k+1)^2*n).at n=38A202409
• Triangle read by rows, n>=1, 1<=k<=n, T(n,k) = k*binomial(n,k)^3*(n^2+n-k*n-k+k^2)/((n-k+1)^2*n).at n=42A202409
• Number n such that Fibonacci(n) is divisible by n, n + 1 and n - 1.at n=30A221018
• Number of length-n ternary strings x with the property that if w is a subword of x and |w| >= 3, then w reversed is not a subword of x.at n=23A330010