53542288800
domain: N
Appears in sequences
- Least common multiple of {2, 4, 6, ..., 2n}.at n=24A051426
- Least common multiple of {2, 4, 6, ..., 2n}.at n=25A051426
- LCM of numbers m such that 1 <= m <= n, m has a common factor with n, but m does not divide n.at n=51A066575
- LCM of row n of triangle in A081536.at n=25A081537
- Denominator of B(2n)*H(2n)/n where B(k) is the k-th Bernoulli number and H(k) the k-th harmonic number.at n=12A083688
- Smallest integer value of n!/(2!3!...p!), where denominator contains product of factorials of primes in increasing order.at n=23A088302
- First differences of A003418(n) = lcm(1..n).at n=26A119944
- LCM of all differences of odd primes up to prime(n).at n=13A164313
- Numbers in A094348 but not A002182.at n=14A164377
- Triangle T(n,k) read by rows, which contains for 1<=k<=n the least amicable n-tuple T(n,1),..., T(n,n) such that sigma(T(n,k)) = T(n,1)+...+T(n,n).at n=10A233538
- Amicable 5-tuples: (x1,...,x5) such that sigma(x1)=...=sigma(x5)=x1+...+x5. Groups of 5 subsequent terms list the five members in increasing size.at n=0A233553
- Least member of an amicable n-tuple: (x[1],...,x[n]) such that sigma(x[1])=...=sigma(x[n])=x[1]+...+x[n], x[i]<x[i+1].at n=4A233626
- Amicable 5-tuples: (x1,...,x5) such that sigma(x1)=...=sigma(x5)=x1+...+x5, x1<x2<x3<x4<x5. Sequence gives x1 numbers.at n=0A273928
- Lexicographically earliest increasing sequence such that n-th term is divisible by all positive integers up to n.at n=25A309233