58060800
domain: N
Appears in sequences
- a(n) = (n+1)!/LCM{1,3,6,...,C(n+1,2)}.at n=14A025557
- a(n) = (n+1)!/LCM{1,3,6,...,C(n+1,2)}.at n=15A025557
- a(n) is the product of the positive integers each of which is <= n and is divisible by exactly one prime dividing n (but is coprime to every other prime dividing n). (a(1) = 1).at n=17A119794
- Where records occur in A152235.at n=14A152453
- a(n) = exp(-Sum_{k=1..n} Sum_{d|k, d prime} moebius(d)*log(k/d)).at n=16A205957
- a(n) = exp(-Sum_{k=1..n} Sum_{d|k, d prime} moebius(d)*log(k/d)).at n=17A205957
- A205957(n) where n is a nonprime number.at n=9A216152
- a(n) is the minimal product of a positive integer sequence of length n with no duplicate substrings (forward or backward) of length greater than 1, and no self-adjacent terms.at n=17A282170
- a(n) is the least k > 0 such that A303809(k) = 2^n.at n=15A303819
- a(n) = product of numbers k < n such that 1 < gcd(k,n) and rad(k) != rad(n).at n=17A381674
- Triangle of denominators for rational convergents to Taylor series of 1/Gamma(x+1).at n=38A386676
- Triangle of denominators for rational convergents to Taylor series of 1/Gamma(x+1).at n=39A386676