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

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

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

A007248 as a simple table

n a(n)
0 1
1 20
2 -62
3 216
4 -641
5 1636
6 -3778
7 8248
8 -17277
9 34664
10 -66878
11 125312
12 -229252
13 409676
14 -716420
15 1230328
16 -2079227
17 3460416
18 -5677816
19 9198424
20 -14729608
21 23328520
22 -36567242
23 56774712
24 -87369461
25 133321908
26 -201825396
27 303248408
28 -452431503

[1,20,-62,216,-641,1636,-3778,8248,-17277,34664,
 -66878,125312,-229252,409676,-716420,1230328,
 -2079227,3460416,-5677816,9198424,-14729608,
 23328520,-36567242,56774712,-87369461,133321908,
 -201825396,303248408,-452431503]

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 11 14:03 EST 2017. Contains 295884 sequences.