A126451 Column 0 of triangle A126450; a(n) = C( C(n+2,3) + 1, n).

1, 2, 10, 165, 5985, 376992, 36288252, 4935847320, 899749479915, 211531737340440, 62292206224983306, 22453501436688294427, 9723205992282927449305, 4980663327690172963041600, 2978877731799385928100461400, 2057145404864429538334152506640

Offset: 0

Author

Paul D. Hanna, Dec 27 2006

Keywords

• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..200

Crossrefs

Cf. A126450; A126452, A126453; A126446, A126455, A126458.

Programs

Magma

[Binomial(Binomial(n+2,3)+1,n): n in [0..20]]; // Vincenzo Librandi, Mar 10 2014

Mathematica

Table[Binomial[Binomial[n+2,3]+1,n],{n,0,20}] (* Harvey P. Dale, Mar 08 2014 *)

PARI

a(n)=binomial(n*(n+1)*(n+2)/3!+1, n)

Extensions

More terms from Harvey P. Dale, Mar 08 2014