76560
domain: N
Appears in sequences
- a(n) = (n+1)*(2*n+1)*(3*n+1)*(4*n+1).at n=7A011245
- a(n) = n*(n + 1)*(3*n + 1).at n=29A027903
- 7-fold factorials: a(n) = Product_{k=0..n-1} (7*k+1).at n=5A045754
- Septuple factorial, 7-factorial, n!7, n!!!!!!!, a(n) = n*a(n-7) if n > 1, else 1.at n=29A114799
- Phi(A033631(n)) {phi is the Euler totient function A000010}.at n=30A115620
- Triangle read by rows, the Bell transform of Product_{k=0..n} 7*k+1 without column 0.at n=10A132056
- Triangle T(n,k) = Product_{j=0..k} n*j+1.at n=32A153189
- Numbers with prime factorization p*q*r*s*t^4 (where p, q, r, s, t are distinct primes).at n=23A190110
- Total sum of cubes of parts in all partitions of n.at n=15A229325
- Number of 2 X 2 matrices with entries in {0,1,...,n} and odd determinant with no entry repeated.at n=22A279483
- The number of vertices on a concave circular triangle formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.at n=20A340686
- Number of distinct pairs of partially ordered sets and legal permutations on labeled directed acyclic graphs (DAGs) with n nodes.at n=5A353922
- Positions of zeros in A378505.at n=15A379013