77636318760
domain: N
Appears in sequences
- a(0)=12; thereafter a(n) = 12 times the product of the first n primes.at n=10A001041
- Numbers N in A002809 such that there is rho > 0 such that for all A > 0, A008475(A)-A008475(N) >= rho*log(A/N).at n=11A002497
- a(n) = LCM(1,2,...,n) / n.at n=29A002944
- Denominator of n * n-th harmonic number.at n=29A027611
- a(n) = lcm(1..n) / ((n+1)(n+2)...(n+k)) where k is the largest number which gives an integral value.at n=28A069491
- a(n) = Product_{k<=n} A085818(k).at n=13A085819
- Given (1) f(h,j,a) = ( [ ((a/gcd(a,h)) / gcd(j+1,(a/gcd(a,h)))) * (h(j+1)) ] - [ ((a/gcd(a,h)) / gcd(j+1,(a/gcd(a,h)))) * (ja) ] ) / a then let (2) a(h) = d(h,j) = lcm( f(h,j,1) ... f(h,j,h) ).at n=14A091342
- a(n) = lcm{1, 2, ..., n}/(n*(n-1)), n >= 2.at n=29A099946
- Denominator of Sum_{k=0..[n/2]} 1/binomial(n,k).at n=29A100561
- a(n) = floor((denominator of H(n))/n), where H(n) = Sum_{k=1..n} 1/k, the n-th harmonic number.at n=29A128438
- Least number having the highest abundancy among numbers with exactly n prime factors (counted with multiplicity).at n=12A137825
- Integral factorial ratio sequence: a(n) = (30*n)!*n!/((15*n)!*(10*n)!*(6*n)!).at n=1A211417
- a(n) = n!*(floor(n/30))!/((floor(n/2))!*(floor(n/3))!*(floor(n/5))!).at n=30A211418
- a(n) = (15*n)!*(n/2)!/((15*n/2)!*(5*n)!*(3*n)!).at n=2A276100
- a(n) = (10*n)!*(n/3)!/((5*n)!*(10*n/3)!*(2*n)!).at n=3A276101
- a(n) = (6*n)!*(n/5)!/((3*n)!*(2*n)!*(6*n/5)!).at n=5A276102