27405
domain: N
Appears in sequences
- Binomial coefficient binomial(n,4) = n*(n-1)*(n-2)*(n-3)/24.at n=30A000332
- Number of compositions of n into 5 ordered relatively prime parts.at n=26A000743
- Degrees of irreducible representations of Rudvalis group Ru.at n=13A003918
- Binomial coefficient C(2n,n-11).at n=4A004317
- Binomial coefficient C(3n,n-6).at n=4A004324
- Binomial coefficient C(5n+10,n).at n=4A004344
- Binomial coefficient C(6n,n-1).at n=4A004356
- Binomial coefficient C(30,n).at n=4A010946
- Binomial coefficient C(30,n).at n=26A010946
- Binomial coefficient C(n,26).at n=4A010979
- a(n) = n*(2*n^2 - 3*n + 4)/3.at n=35A037235
- Binomial coefficients C(2*n+4,4).at n=13A053134
- a(n) = binomial(n,floor(n/7)).at n=30A062947
- a(n) = the least integer that is polygonal in exactly n ways.at n=9A063778
- Number of walks of length n on cubic lattice, starting at origin, staying in first (nonnegative) octant.at n=7A064036
- Square array read by antidiagonals of number of length k walks on an n-dimensional hypercubic lattice starting at the origin and staying in the nonnegative part.at n=58A064044
- First differences of A048093.at n=29A084919
- Triangle, read by rows, where T(n,k) = C(n*(n-1)/2 - k*(k-1)/2 + n-k, n-k).at n=50A107862
- Triangle read by rows: T(n,k) = binomial(t(n) - t(k-1),k), where t(j) = j*(j+1)/2; 1<=k<=n.at n=31A110770
- Numbers k such that lcm(1,2,3,...,k)/13 equals the denominator of the k-th harmonic number H(k).at n=31A112818