1917334783
domain: N
Appears in sequences
- a(n) = 3*binomial(4*n,n)/(n+1).at n=11A007228
- Binomial coefficient C(43,n).at n=10A010959
- Binomial coefficient C(n,33).at n=10A010986
- Duplicate of A007228.at n=11A024497
- Binomial coefficients C(2*n-9,10).at n=16A196790
- a(n) = binomial(4*n,n)/4.at n=10A224274
- Number of n-member subsets of [4*n] whose elements sum to a multiple of four.at n=11A318592
- a(n) is the number of positive integers that have n prime factors and these are all <= n.at n=32A377537