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!)

A136457 as a simple table

n a(n)
1 1
2 -1
3 1
4 1
5 -2
6 1
7 -2
8 5
9 -4
10 1
11 12
12 -32
13 29
14 -10
15 1
16 -288
17 780
18 -728
19 269
20 -34
21 1
22 34560
23 -93888
24 88140
25 -33008
26 4349
27 -154
28 1
29 -24883200
30 67633920
31 -63554688
32 23853900
33 -3164288
34 115229
35 -874
36 1
37 125411328000
38 -340899840000
39 320383261440
40 -120287210688
41 15971865420
42 -583918448
43 4520189

[1,-1,1,1,-2,1,-2,5,-4,1,12,-32,29,-10,1,-288,780,
 -728,269,-34,1,34560,-93888,88140,-33008,4349,
 -154,1,-24883200,67633920,-63554688,23853900,
 -3164288,115229,-874,1,125411328000,-340899840000,
 320383261440,-120287210688,15971865420,-583918448,
 4520189]

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 September 24 15:33 EDT 2021. Contains 347643 sequences. (Running on oeis4.)