163185
domain: N
Appears in sequences
- Binomial coefficient C(46,n).at n=4A010962
- Binomial coefficient C(n,42).at n=4A010995
- Binomial coefficients C(2*n+4,4).at n=21A053134
- a(n) = lcm(n, n+1, n+2, n+3)/12.at n=42A067047
- (n^4 - 10*n^2 + 15*n - 6)/2.at n=23A135916
- List of numbers that are both pentagonal (A000326) and binomial coefficients C(n,4) (A000332).at n=29A145920
- Doubly pentagonal numbers: a(n) = n*(3*n-2)*(3*n-1)*(3*n+1)/8.at n=15A232713
- a(n) = binomial(prime(n+1)-1, prime(n)-1).at n=13A261726
- a(n) = A322227(n) / (n*(n+1)/2), where A322227(n) = [x^(n-1)] Product_{k=1..n} (k + x - k*x^2), for n >= 1.at n=8A322226