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

0,2

Links

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

Mathematica

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

Prog

(PARI) a(n)=binomial(n*(n+1)*(n+2)/3!+1, n)
(Magma) [Binomial(Binomial(n+2, 3)+1, n): n in [0..20]]; // Vincenzo Librandi, Mar 10 2014

Crossrefs

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

Sequence in context: A007131 A126449 A328812 * A260122 A132341 A069994

Adjacent sequences: A126448 A126449 A126450 * A126452 A126453 A126454

Keyword

nonn

Author

Paul D. Hanna, Dec 27 2006

Extensions

More terms from Harvey P. Dale, Mar 08 2014

Status

approved