196875
domain: N
Appears in sequences
- Expansion of 1/((1-5*x)*(1-10*x)).at n=5A016164
- Stirling2 triangle with scaled diagonals (powers of 5).at n=22A075500
- Triangle read by rows: T(n,k)=binomial(n,k-1)*k^(k-1)*(n+1-k)^(n-k) (1<=k<=n).at n=25A103690
- a(n) = n^5*(n^3 + 1)/2.at n=5A168371
- Triangular array read by rows. T(n,k) is the number of partial functions on n labeled objects in which the domain of definition contains exactly k elements such that for all i in {1,2,3,...}, (f^i)(x) is defined.at n=33A185390
- Triangular array read by rows: T(n,k) is the number of size k components in the digraph representation of all functions f:{1,2,...,n}->{1,2,...,n}; n>=1, 1<=k<=n.at n=22A225723