OFFSET
1,2
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..20
FORMULA
a(n) ~ exp(5/6) * n^(2*n^2) / 2^(n^2). - Vaclav Kotesovec, Jul 13 2021
MAPLE
seq(product(n*(n-1)/2+i, i=1..n)^n, n=1..7);
MATHEMATICA
Table[Pochhammer[1 + (n-1)*n/2, n]^n, {n, 1, 8}] (* Vaclav Kotesovec, Jul 13 2021 *)
With[{nn=10}, (Times@@#)^Length[#]&/@TakeList[Range[(nn(nn+1))/2], Range[ nn]]] (* Harvey P. Dale, Aug 09 2021 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, May 17 2002
EXTENSIONS
More terms from Sascha Kurz, Jan 02 2003
STATUS
approved