48620
domain: N
Appears in sequences
- a(n) = binomial coefficient C(n,9).at n=9A000582
- Central binomial coefficients: binomial(2*n,n) = (2*n)!/(n!)^2.at n=9A000984
- a(n) = binomial(n, floor(n/2)).at n=18A001405
- Number of distributive lattices; also number of paths with n turns when light is reflected from 4 glass plates.at n=10A006357
- Expansion of (1-x^10) / (1-x)^10.at n=9A008492
- Triangle of coefficients of Legendre polynomials 2^n P_n (x).at n=25A008556
- Binomial coefficient C(18,n).at n=9A010934
- Number of compositions of n into 10 ordered relatively prime parts.at n=9A023035
- Theta series of A*_16 lattice.at n=36A023928
- Binomial coefficients: C(n,k), 6 <= k <= n-6, sorted.at n=31A024750
- Binomial coefficients: C(n,k), 7 <= k <= n-7, sorted.at n=14A024751
- Binomial coefficients: C(n,k), 8 <= k <= n-8, sorted.at n=5A024752
- Binomial coefficients: C(n,k), 9 <= k <= n-9, sorted.at n=0A024753
- Binomial coefficients: C(n,k), 5 <= k <= n-5, sorted, duplicates removed.at n=31A024757
- Binomial coefficients: C(n,k), 6 <= k <= n-6, sorted, duplicates removed.at n=17A024758
- Binomial coefficients: C(n,k), 7 <= k <= n-7, sorted, duplicates removed.at n=8A024759
- Binomial coefficients: C(n,k), 8 <= k <= n-8, sorted, duplicates removed.at n=3A024760
- Binomial coefficients: C(n,k), 9 <= k <= n-9, sorted, duplicates removed.at n=0A024761
- 4-wave sequence.at n=33A038197
- Bottom line of 4-wave sequence A038197, also bisection of A006357.at n=5A038235