68976230400
domain: N
Appears in sequences
- a(n) = n^2 * n!.at n=12A002775
- a(n) = n! * Fibonacci(n).at n=12A005443
- Squares of terms are the intersection of A025487 and A217584.at n=27A333969
- Irregular triangle read by rows: T(n, k) is the number of k X k matrices using all the integers from 1 to k^2 and having trace equal to n, with 1 <= k <= A003056(n).at n=43A362209