393750
domain: N
Appears in sequences
- Triangle of coefficients in expansion of (1+5x)^n.at n=50A013612
- Expansion of 1/(1-5*x)^5.at n=5A036071
- Triangle whose (i,j)-th entry is 5^(i-j)*binomial(i,j).at n=49A038243
- Sums of two distinct powers of 5.at n=33A038474
- Sums of two powers of 5.at n=41A055237
- Number of non-separable rooted triangulations (with n vertices) in which any vertex has degree at least 4.at n=8A105668
- a(n) = n^n*binomial(2*n-1, n).at n=5A293270
- Triangle read by rows: T(n, k) = binomial(n - 1, k - 1) * (k - 1)^(k - 1) * (n - k) * (n - k + 1)^(n - k - 1).at n=42A369016
- Triangle read by rows: T(n, k) = floor(binomial(n, k - 1) * (k - 1)^(k - 1) * k *(n - k + 1)^(n - k) / 2).at n=34A369025