login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A144345 Second column (m=2) of triangle S2p(-2) = A004747. 2

%I

%S 1,6,52,600,8680,151200,3082240,71998080,1896294400,55601145600,

%T 1796277683200,63397990656000,2427084884224000,100175046107136000,

%U 4434284662872064000,209554432423784448000,10530302071553904640000,560682451860226375680000

%N Second column (m=2) of triangle S2p(-2) = A004747.

%F a(n)=A004747(n+2,2), n>=0.

%Y A008544(n-1) (m=1 column), A144346 (m=3 column).

%K nonn,easy

%O 0,2

%A _Wolfdieter Lang_ Oct 09 2008

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 26 02:14 EDT 2021. Contains 348256 sequences. (Running on oeis4.)