23535820

Appears in sequences

• a(n) = binomial coefficient C(n,8).at n=27A000581
• Binomial coefficient C(35,n).at n=8A010951
• a(n) = binomial(n,27).at n=8A010980
• a(n) = binomial(n, floor(n/4)).at n=35A051036
• Binomial coefficients C(2*n-7,8).at n=13A053130
• Triangle read by rows: T(n,k) = binomial(4n-k,n-k), 0 <= k <= n.at n=46A119304
• a(n) = binomial(n, sum_digits_n).at n=35A128936
• a(n) = binomial(4*n,n)/4.at n=8A224274
• a(n) = 3*binomial(3*n+9, n)/(n+3).at n=9A230547
• Number of n-member subsets of [4*n] whose elements sum to a multiple of four.at n=9A318592
• Number of 9-member subsets of [9*n] whose elements sum to a multiple of n.at n=4A318630
• Number of subsets of [n] in which exactly half of the elements are Fibonacci numbers.at n=35A357927
• a(n) is the number of positive integers that have n prime factors and these are all <= n.at n=26A377537
• a(n) = [x^n] 1/(1 - x)^(n*(n-1)/2).at n=8A386879