4131036
domain: N
Appears in sequences
- Number of functions f:{1,2,...,n}->{1,2,...,n} such that Im(f) contains 3 fixed elements.at n=5A126779
- Triangular array T(n,k): functions f:{1,2,...,n}-> {1,2,...,n} such that each of k fixed (but arbitrary) elements are in the image of f.at n=39A174551
- Third differences of eighth powers (A001016).at n=7A255182
- Sum of positive divisors of A000032(n).at n=30A272439
- Triangle read by rows: T(n,k) = Sum_{j=0..k} (-1)^(k-j) * binomial(k,j) * (5+j)^n.at n=39A391635