OFFSET
1,2
FORMULA
a(n) = n^n * [n(n+1)/2]! / [n(n-1)/2]! - Lior Manor Aug 19 2002
EXAMPLE
a(4) = 10*4 * 9*4 * 8*4 * 7*4 = 1290240
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Aug 01 2002
EXTENSIONS
More terms from Lior Manor Aug 19 2002
STATUS
approved