23205371904
domain: N
Appears in sequences
- a(n) = Product_{i=1..n} (5^i - 1).at n=5A027872
- Dimension of 5-variable non-commutative harmonics (Hausdorff derivative). The dimension of the space of non-commutative polynomials in 5 variables which are killed by all symmetric differential operators (where for a monomial w, d_{xi} ( w ) = sum over all subwords of w deleting xi once).at n=15A122394
- Square array A(n,k), n >= 0, k >= 1, read by antidiagonals: A(n,k) = Product_{j=1..n} (k^j - 1).at n=50A320354
- a(n) = (-1)^n * QPochhammer(n, n, n).at n=5A366355