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!)

A127138 as a simple table

n a(n)
0 1
1 1
2 -1
3 -4
4 3
5 28
6 -15
7 -288
8 105
9 3984
10 -945
11 -70080
12 10395
13 1506240
14 -135135
15 -38384640
16 2027025
17 1133072640
18 -34459425
19 -38038533120
20 654729075
21 1431213235200
22 -13749310575
23 -59645279232000
24 316234143225
25 2726781752217600
26 -7905853580625
27 -135661078090137600
28 213458046676875

[1,1,-1,-4,3,28,-15,-288,105,3984,-945,-70080,
 10395,1506240,-135135,-38384640,2027025,
 1133072640,-34459425,-38038533120,654729075,
 1431213235200,-13749310575,-59645279232000,
 316234143225,2726781752217600,-7905853580625,
 -135661078090137600,213458046676875]

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 February 29 05:25 EST 2020. Contains 332353 sequences. (Running on oeis4.)