54726
domain: N
Appears in sequences
- Invariant number of polygons of n-circum-C_5 H_5 systems.at n=10A122678
- Define a pair of sequences c_n, d_n by c_0=0, d_0=1 and thereafter c_n = c_{n-1}+d_{n-1}, d_n = c_{n-1}+4*n+2; sequence here is d_n.at n=19A192750
- Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 n X n array.at n=4A218891
- Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 nX5 array.at n=4A218894
- T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 nXk array.at n=40A218897
- Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 5Xn array.at n=4A218901
- a(n) = Sum_{k=1..n} n^rad(k).at n=5A351047
- Expansion of e.g.f. (1/x) * Series_Reversion( x/(1 + (exp(x) - 1)^3) ).at n=7A392850