login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A126448 Column 2 of triangle A126445; a(n) = C( C(n+4,3) - 4, n). 4
1, 6, 120, 4495, 270725, 24040016, 2967205528, 487444845680, 103073959989495, 27319423696620550, 8881600973913295056, 3478625214672347911080, 1616770762998304775695925, 880246034121663208464847200 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

PROG

(PARI) a(n)=binomial((n+2)*(n+3)*(n+4)/3!-4, n)

CROSSREFS

Cf. A126445; A126446, A126447, A126449.

Sequence in context: A075844 A029697 A196688 * A126446 A057003 A096718

Adjacent sequences:  A126445 A126446 A126447 * A126449 A126450 A126451

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Dec 27 2006

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 04:58 EST 2012. Contains 205985 sequences.