1884960

Appears in sequences

• Reduced denominators of the coefficients in a series expansion for Gamma[x].at n=30A054380
• LCM of composite numbers falling between n-th and (n+1)-st primes.at n=9A056831
• One half of A075178.at n=31A075179
• a(1) = 1, then LCM of consecutive composite numbers sandwiched between primes.at n=22A109920
• Triangle T(n, k) = (binomial(n,2))! / (k! * abs(k+1 - binomial(n,2))!), read by rows.at n=40A123146
• Least number k such that sigma(k) >= 2^n.at n=22A172516
• a(n) = n*binomial(n+4, 4).at n=32A174002
• Smallest k such that the partial sums of the divisors of k (taken in increasing order) contain exactly n primes.at n=36A187822
• Smallest k such that the partial sums of the divisors of k (in decreasing order) generate n primes.at n=25A187825
• Positions of records in A266342.at n=10A266343
• Positions of records in A266344.at n=17A266345
• Ramanujan's largely composite numbers n (A067128) which are not divisible by all the primes < p, where p is the greatest prime divisor of n.at n=29A273379
• Highly composite numbers of class 3 (see comment in A275239).at n=34A275241
• Numbers k for which sigma(k) - 4k exceeds sigma(j) - 4j for all j < k.at n=26A279091
• Integer areas of integer-sided triangles where the lengths of two of the sides are cubes.at n=13A329536
• Positions of records in A357299: integers m such that the number of divisors whose first digit equals the first digit of m sets a new record.at n=24A355592
• Triangle read by rows. T(n, k) = k! * Sum_{j=k..n} Lah(n, j) * Stirling2(j, k), where Lah(n, k) = A271703(n, k).at n=42A356654
• Numbers m such that A357761(m) < A357761(k) for all k < m.at n=29A357764
• Numbers k that set records in A372720.at n=31A371630