117740
domain: N
Appears in sequences
- a(n) = n^2*(n^2 - 1)/6.at n=29A008911
- a(n) = (prime(n)^4 - prime(n)^2)/6.at n=9A138421
- 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=25A180293
- Number of length 1+3 0..n arrays with no pair in any consecutive four terms totalling exactly n.at n=18A246480
- a(n) = Sum_{k=1..n-1} lcm(lcm(n, k), lcm(n, n-k)).at n=28A338798