901800900

Appears in sequences

• a(n) is the square of the product of first n primes.at n=6A061742
• Triangular array: for s=0 to r-1, a(r,s) = p(s)^(r-s), where p(s) is the s-th primorial number. (p(0)=1, p(1)=2, p(2)=2*3, p(3)=2*3*5,...).at n=34A079474
• Least m such that A080256(m)=n and has a maximum number A000792(n) of divisors.at n=16A087902
• Primorial numbers raised to the power of 2^n (where n is a nonnegative integer), sorted.at n=20A133492
• Prime encoded sequence of generic integer partitions of n in the antilexicographic order of the partitions.at n=25A182911
• Irregular triangle read by rows where T(n,k) = A002110(n/d)^d, where d = A027750(n,k) and A002110(m) is the product of the first m primes.at n=30A322792
• Numbers with adjusted frequency depth 3 whose prime indices cover an initial interval of positive integers.at n=26A325374
• Exponential 3-nondeficient numbers: numbers m such that esigma(m) >= 3*m, where esigma(m) is the sum of exponential divisors of m (A051377).at n=0A328135
• Maximum divisor of n! with equal prime multiplicities.at n=26A336618
• Least integers of their prime signature (A025487) whose average number of distinct prime factors of their divisors is an integer.at n=25A346015
• a(n) = A108951(A346096(n)), where A346096(n) gives the numerator of the primorial deflation of A276086(A108951(n)).at n=21A346106
• a(n) = A108951(A346097(n)), where A346097(n) gives the denominator of the primorial deflation of A276086(A108951(n)).at n=25A346107
• Triangle read by rows: T(n,k), 0 <= k <= n, is the smallest number that has n distinct prime factors, k of which are unique.at n=21A364878
• Powers of primorials P(k)^m, k > 1, m > 1, where P(k) = A002110(k).at n=18A365308
• Primitive exponential 3-nondeficient numbers: the powerful terms of A328135.at n=0A383699
• Irregular triangle read by rows where row n lists the Heinz numbers of all uniform (equal multiplicities) and normal (covering an initial interval) multisets of length n.at n=33A384180