login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

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

A055761 as a simple table

n a(n)
0 1
1 0
2 0
3 10
4 146
5 0
6 0
7 31504
8 129228
9 0
10 0
11 3686862
12 9183256
13 0
14 0
15 95578992
16 188199198
17 0
18 0
19 1143266014
20 1959888120
21 0
22 0
23 8506488912
24 13292469432
25 0
26 0
27 45761283848
28 67074717248
29 0
30 0
31 195393400992
32 272568291732
33 0
34 0

[1,0,0,10,146,0,0,31504,129228,0,0,3686862,
 9183256,0,0,95578992,188199198,0,0,1143266014,
 1959888120,0,0,8506488912,13292469432,0,0,
 45761283848,67074717248,0,0,195393400992,
 272568291732,0,0]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 7 19:05 EST 2016. Contains 278895 sequences.