OFFSET
0,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1000
MAPLE
A181860 := n -> ilcm(n^2, n!/iquo(n, 2)!^2);
MATHEMATICA
Join[{0}, sf[n_]:=n!/Quotient[n, 2]!^2; a[n_]:=LCM[n^2, sf[n]]; Table[a[n], {n, 30}] ] (* Jean-François Alcover, Jun 28 2013 *)
PROG
(PARI) a(n) = lcm(n^2, n!/(n\2)!^2); \\ Michel Marcus, Mar 06 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Luschny, Nov 21 2010
EXTENSIONS
a(26)-a(29) from Vincenzo Librandi, Mar 05 2018
STATUS
approved