login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

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

A217951 as a simple table

n a(n)
1 4
2 16
3 50
4 130
5 296
6 610
7 1177
8 2209
9 4202
10 8366
11 17569
12 38251
13 84134
14 183334
15 392284
16 824110
17 1708779
18 3523509
19 7276452
20 15117730
21 31635969
22 66571659
23 140445543
24 296202061
25 623355780
26 1308333724
27 2740013491
28 5731815041
29 11989696656

[4,16,50,130,296,610,1177,2209,4202,8366,17569,
 38251,84134,183334,392284,824110,1708779,3523509,
 7276452,15117730,31635969,66571659,140445543,
 296202061,623355780,1308333724,2740013491,
 5731815041,11989696656]

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 17:02 EDT 2024. Contains 371962 sequences. (Running on oeis4.)