164731
domain: N
Appears in sequences
- a(n) = 24*5^n - 60*4^n + 50*3^n - 15*2^n + 1.at n=6A091348
- Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,k+n} having excedance set {1,2,...,k} (the empty set for k=0), 0 <= k <= n-1.at n=49A136126
- Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,k+n} having excedance set {1,2,...,k} (the empty set for k=0), 0 <= k <= n-1.at n=50A136126
- Number of permutations of 1..n with i-5<=p(i)<=i+4.at n=9A179340
- E.g.f.: Sum_{n>=0} (1 - exp(-n*x))^n.at n=5A220181
- Array T(n, k) = Sum_{j=2..n+2} (-1)^(n-j)*Stirling2(n+1, j-1)*j!*j^k/2, for n and k >= 0, read by antidiagonals.at n=40A347940