OFFSET
0,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
MATHEMATICA
Table[Binomial[n (n + 1) (n + 2) / 3!, n], {n, 0, 20}] (* Vincenzo Librandi, Mar 04 2018 *)
PROG
(PARI) a(n)=binomial(n*(n+1)*(n+2)/3!, n)
(Sage) [(binomial(binomial(n+3, n), n+1)) for n in range(-1, 12)] # Zerinvary Lajos, Nov 30 2009
(Magma) [(Binomial(Binomial(n+3, n), n+1)): n in [-1..20]]; // Vincenzo Librandi, Mar 04 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Dec 27 2006
STATUS
approved