312132

Appears in sequences

• a(n) = n^2*(n^2 - 1)/6.at n=37A008911
• Base 10 weak Skolem-Langford numbers.at n=4A108116
• a(n) = (prime(n)^4 - prime(n)^2)/6.at n=11A138421
• 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=33A180293
• The number of edges formed on an isosceles triangle by straight line segments mutually connecting all vertices and all points that divide the two equal length sides into n equal parts; the base of the triangle contains no points other than its vertices.at n=28A333027
• a(n) = Sum_{k=1..n-1} lcm(lcm(n, k), lcm(n, n-k)).at n=36A338798
• Base-10 super-weak Skolem-Langford numbers.at n=6A339803
• Base-10 weaker Skolem-Langford numbers.at n=1A357826