OFFSET
0,3
COMMENTS
Number of n X 6 Young tableaux.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..222
Wikipedia, Hook length formula
FORMULA
a(n) = 0!*1!*...*5! * (6*n)! / ( n!*(n+1)!*...*(n+5)! ).
a(n) ~ 5 * 2^(6*n + 6) * 3^(6*n + 7/2) / (Pi^(5/2) * n^(35/2)). - Vaclav Kotesovec, Nov 23 2018
MAPLE
a:= n-> (6*n)! * mul(i!/(6+i)!, i=0..n-1):
seq(a(n), n=0..14); # Alois P. Heinz, Nov 25 2018
MATHEMATICA
Table[34560 (6 n)! / (n! (n + 1)! (n + 2)! (n + 3)! (n + 4)! (n + 5)!), {n, 0, 60}] (* Vincenzo Librandi, Nov 24 2018 *)
PROG
(PARI) {a(n) = 34560*(6*n)!/(n!*(n+1)!*(n+2)!*(n+3)!*(n+4)!*(n+5)!)}
(Magma) [34560*Factorial(6*n)/(Factorial(n)*Factorial(n + 1)*Factorial(n + 2)*Factorial(n + 3)*Factorial(n + 4)*Factorial(n + 5)): n in [0..15]]; // Vincenzo Librandi, Nov 24 2018
(GAP) List([0..15], n->34560*Factorial(6*n)/Product([0..5], k->Factorial(n+k))); # Muniru A Asiru, Nov 25 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Nov 23 2018
STATUS
approved