46552

Appears in sequences

• Expansion of (2 - x)^4/(1 - x)^8.at n=9A006637
• a(n) = n^2*(n^2 - 1)/6.at n=23A008911
• Expansion of (theta_3(z)*theta_3(15z) + theta_2(z)*theta_2(15z))^4.at n=30A028628
• Numbers k that divide the (right) concatenation of all numbers <= k written in base 23 (most significant digit on left).at n=28A029468
• Number of connected circulant graphs on n nodes.at n=35A075545
• Number of branches of length 1 in all hex trees with n edges.at n=8A126323
• a(n) = (prime(n)^4 - prime(n)^2)/6.at n=8A138421
• Numbers k with property that sum of divisors of k-th triangular number is some m-th triangular number.at n=17A175849
• Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to n-3.at n=19A180293
• a(n) is the number of subsets of {1..n} that contain exactly 3 odd and 1 even numbers.at n=47A333319
• a(n) = Sum_{k=1..n-1} lcm(lcm(n, k), lcm(n, n-k)).at n=22A338798
• G.f. A(x) satisfies A(x) = ( 1 + x*A(x)^(5/3)/(1 + x*A(x)^(2/3)) )^3.at n=6A378890
• The Euler totient of the smallest cube divisible by n.at n=45A390754
• The Euler totient of the smallest cubefull number divisible by n.at n=45A390756