OFFSET
0,2
FORMULA
a(n) = det(PS(i+2,j), 1 <= i,j <= n), where PS(n,k) are Legendre-Stirling numbers of the second kind (A071951) [Mircea Merca, Apr 04 2013]
a(n) = A010790(n)^2. - Michel Marcus, Jan 15 2023
MATHEMATICA
Table[(n!(n + 1)!)^2, {n, 1, 10}]
PROG
(PARI) a(n) = (n!*(n+1)!)^2; \\ Michel Marcus, Jan 15 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
Rebecca Gladu (rgladu(AT)eve.assumption.edu), Apr 07 2002
EXTENSIONS
Edited and extended by Robert G. Wilson v, Apr 08 2002
More terms from Michel Marcus, Jan 15 2023
STATUS
approved