110670

Appears in sequences

• Number of independent components for a Weyl tensor in n dimensions.at n=31A052472
• Products of exactly 6 distinct primes.at n=25A067885
• Triangle read by rows: T(n,k), n >=1, 0 <= k <= C(n,k), = number of n X n symmetric positive semi-definite matrices with 2's on the main diagonal and 1's and 0's elsewhere and with k 1's above the diagonal.at n=51A083029
• a(n) = (-1)^(n+1) * n*(n-1)*(n-4)*(n+1)/12.at n=33A167387
• Degrees of irreducible representations of orthogonal group O10+(2).at n=30A214472
• Degrees of irreducible representations of orthogonal group O10+(2).at n=31A214472
• Degrees of irreducible representations of orthogonal group O10+(2).at n=32A214472
• Degrees of irreducible representations of orthogonal group O10+(2).at n=33A214472
• a(n) = (2*n+23)*n*(n-1), a coefficient appearing in the formula a(n)*Pi/324+n+1 giving the average number of regions into which n random planes divide the cube.at n=35A248598
• Unitary barely 3-deficient numbers: numbers m such that usigma(k)/k < usigma(m)/m < 3 for all numbers k < m, where usigma is the sum of unitary divisors function (A034448).at n=6A336672
• Numbers k > 2 such that omega(k) > log(log(k)) + 2 * sqrt(log(log(k))), where omega(k) is the number of distinct primes dividing k (A001221).at n=35A336910
• Least positive integer whose multiset of prime indices has exactly n distinct semi-sums.at n=14A367097
• Products of 6 distinct primes that are sandwiched between semiprime numbers.at n=6A378627
• Table read by row, where T(n,k), n>0 and k>0, represents the smallest n-digit number that is the product of k distinct primes and is sandwiched between semiprime numbers, or -1 if no such number exists.at n=23A379167