294840

Appears in sequences

• One third of 9-factorial numbers.at n=4A035013
• Smaller central (median) divisor of n!.at n=13A060776
• Duplicate of A060776.at n=13A061055
• Members of A085844 which are permutations of other members of A085844.at n=15A085847
• Least number k such that sigma_2(k) >= 2^n.at n=36A141847
• The sum of the two numbers in an amicable pair, A002025(n) + A002046(n).at n=16A180164
• Divide integers 1..n into two sets, minimizing the difference of their products. This sequence is the smaller product.at n=13A200743
• a(n) = Fibonacci(n)*A008655(n) for n >= 1, with a(0)=1, where A008655 lists the coefficients in (theta_3(x)*theta_3(3*x) + theta_2(x)*theta_2(3*x))^4.at n=8A205968
• a(n) = 3*binomial(n+1, 5).at n=26A253942
• The sum (in nondecreasing order) of the two numbers in an amicable pair.at n=16A259953
• Highly composite numbers of class 6 (see comment in A275239).at n=27A275244
• a(n) = Product_{d|n} T(d) where T(x) = x*(x+1)/2 = A000217(x) = x-th triangular number.at n=11A275786
• Number of 2 X 2 matrices with entries in {0,1,...,n} and odd trace with no elements repeated.at n=28A279905
• a(n) = 378*n^2 - 54*n (n>=1).at n=27A305070
• Table with 10 columns read by rows: T(n, k) is the number of n-digit positive integers with exactly k distinct base 10 digits (0 < k <= 10).at n=53A337127
• a(n) is the number of n-digit positive integers with exactly four distinct base 10 digits.at n=5A337314
• Number of labeled 3-connected planar graphs with n edges.at n=7A343871