3108105
domain: N
Appears in sequences
- a(n) = binomial coefficient C(n,8).at n=20A000581
- Binomial coefficient C(2n,n-6).at n=8A004312
- Binomial coefficient C(28,n).at n=8A010944
- Binomial coefficient C(28,n).at n=20A010944
- a(n) = binomial(n,20).at n=8A010973
- Number of compositions of n into 9 ordered relatively prime parts.at n=20A023034
- Binomial coefficients: C(n,k), 8 <= k <= n-8, sorted, duplicates removed.at n=29A024760
- Binomial coefficients C(2*n+8,8).at n=10A053137
- a(n) = C( C(n,2), n).at n=8A116508
- Triangle read by rows: coefficients of expansion in powers of x of the polynomials defined by p(n, x) = (2*n - 1)*p(n - 1, x) + (n - 1)^2*x^2*p(n - 2, x).at n=39A123244
- a(n) = binomial(floor(n*sqrt(2)),n) for n>=0.at n=20A135964
- Irregular triangle read by rows: coefficients of the two-variable character of the vertex operator superalgebra A_Ru related to the sporadic simple Rudvalis group.at n=13A146978
- Irregular triangle read by rows: coefficients of the two-variable character of the vertex operator superalgebra A_Ru related to the sporadic simple Rudvalis group.at n=22A146978
- Triangle T(n, k, m) = round( Product_{j=0..m} binomial(2*(n+j), 2*(k+j))/binomial( 2*(n-k+j), 2*j) ), where m = 9, read by rows.at n=16A156742
- Triangle T(n, k, m) = round( Product_{j=0..m} binomial(2*(n+j), 2*(k+j))/binomial( 2*(n-k+j), 2*j) ), where m = 9, read by rows.at n=19A156742
- Triangle T(n,k) = binomial(3*n+1, 2*n+k+1), read by rows.at n=46A159841
- a(n) = Sum_{j=1..floor(n/2)} binomial(n+j-1,j-1).at n=18A175167
- Triangle T(n,m) = binomial(4*n, 4*m), 0 <= m <= n, read by rows.at n=30A177808
- Triangle T(n,m) = binomial(4*n, 4*m), 0 <= m <= n, read by rows.at n=33A177808
- Triangle: T(n,k)=C(4n,2k), 0<=k<=n.at n=32A193633