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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

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

A056887 as a simple table

n a(n)
0 1
1 0
2 -1
3 -2
4 1
5 2
6 7
7 -8
8 -7
9 -6
10 27
11 -54
12 57
13 -56
14 -233
15 -232
16 -7
17 -6
18 187
19 -588
20 1485
21 -1242
22 -6177
23 -3184
24 -639
25 640
26 -1441
27 -3472
28 13033
29 13032
30 -20745
31 -24120
32 1593
33 1594
34 20891
35 -60476
36 9069
37 -26964
38 -1916541
39 -6305202
40 1619109
41 -1599426
42 -8587701

[1,0,-1,-2,1,2,7,-8,-7,-6,27,-54,57,-56,-233,-232,
 -7,-6,187,-588,1485,-1242,-6177,-3184,-639,640,
 -1441,-3472,13033,13032,-20745,-24120,1593,1594,
 20891,-60476,9069,-26964,-1916541,-6305202,
 1619109,-1599426,-8587701]

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 December 6 01:25 EST 2021. Contains 349558 sequences. (Running on oeis4.)