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!)

A012255 as a simple table

n a(n)
0 1
1 1
2 1
3 0
4 -3
5 -4
6 21
7 136
8 185
9 272
10 9641
11 222016
12 1668021
13 21267520
14 192801597
15 3836913536
16 42064398961
17 874251520256
18 10576096455505
19 254117293340672
20 3476312353756781
21 92635637659667456

[1,1,1,0,-3,-4,21,136,185,272,9641,222016,1668021,
 21267520,192801597,3836913536,42064398961,
 874251520256,10576096455505,254117293340672,
 3476312353756781,92635637659667456]

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 July 11 20:03 EDT 2020. Contains 335652 sequences. (Running on oeis4.)