11741730
domain: N
Appears in sequences
- Triangle read by rows in which row n contains first n numbers with exactly n distinct prime factors.at n=29A048692
- a(n) = lcm(1,...,n) - (product of primes <= n).at n=16A068510
- a(n) = lcm(1,...,n) - (product of primes <= n).at n=17A068510
- Smallest n-digit number with exactly n prime divisors. There are no further terms.at n=7A070842
- Smallest n-digit squarefree number with maximum number of prime divisors.at n=7A074111
- Triangle read by rows: T(n,k) = A002110(n)/prime(n+1-k), k = 1..n.at n=37A077011
- Smallest number beginning with 1 and having exactly n distinct prime divisors.at n=8A077326
- Smallest number beginning with 1 that is the product of exactly n distinct primes.at n=8A106411
- Products of 8 distinct primes (squarefree 8-almost primes).at n=1A123322
- Table read by ascending antidiagonals: n-th row of table consists of the positive integers divisible by exactly n distinct primes.at n=37A125666
- Squarefree kernels of orders of sporadic simple groups.at n=20A174848
- Least r > 1 without Goldbach partition 2r = p+q such that |p-q| is prime(n)-smooth.at n=9A217016
- Largest number that can be encoded as Product_{i:lambda} prime(i) for a partition lambda of n into distinct parts.at n=37A246868
- Sum over all partitions lambda of n into 8 distinct parts of Product_{i:lambda} prime(i).at n=1A258363
- "Near Primorial" numbers.at n=27A259629
- T(n, k) is the largest number that can be formed by multiplying k primes prime(i1+0),...,prime(ik+k-1) such that i1+...+ik = n. Triangle read by rows.at n=43A274608
- Irregular triangle read by rows: T(m, k) is the list of squarefree numbers A002110(m) < t < 2*A002110(m) such that A001221(t) = m.at n=22A288813
- a(n) = primorial prime(n)#/prime(n - 1).at n=7A306237
- a(n) is the least positive integer k such that it has exactly n triples of divisors (d1, d2, d3) such that they are pairwise coprime and d1 < d2 < d3 < 2*d1.at n=14A336629
- Square array A(n,k), n>=1, k>=1, read by antidiagonals, where row n is the increasing list of all squarefree numbers with n primes.at n=43A340316