803383
domain: N
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=20A020941
- Fibonacci sequence beginning 1, 6.at n=26A022096
- a(n) = 3*a(n-1) - a(n-2) with a(0)=1, a(1)=7.at n=13A055267
- Row sums of Fibonacci triangle shown below.at n=6A087018
- Triangle read by rows: T(n,k) = (1/k) times the number of functions from an n-element set into but not onto a k-element set.at n=34A101031
- a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks digits 1,2,3 and at least one of digits 4,5,6,7,8,9.at n=6A126627
- A generalized PolyLog triangular sequence of coefficients: k = (n + 1); b0 = 1; p(x,n,k)=(k - 1)!*(1 - x)^n*PolyLog[ -n, k, x]/(x*Log[1 - x]); t(n,m)=Coefficients(p(b0,n,k)).at n=32A142336
- a(n) = n^n - (n+1)!/2.at n=6A345445