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

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A012678 as a simple table

n a(n)
0 2
1 -16
2 440
3 -25856
4 2702368
5 -442400000
6 104680527744
7 -33826438987776
8 14318658795815424
9 -7689929339111084032
10 5108988246588765059072
11 -4113772753950316528205824
12 3947181962951541949825294336

[2,-16,440,-25856,2702368,-442400000,104680527744,
 -33826438987776,14318658795815424,
 -7689929339111084032,5108988246588765059072,
 -4113772753950316528205824,
 3947181962951541949825294336]

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 November 28 05:55 EST 2020. Contains 338699 sequences. (Running on oeis4.)