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!)

A281708 as a simple table

n a(n)
1 2
2 17
3 66
4 218
5 564
6 1407
7 3074
8 6536
9 12960
10 24991
11 46028
12 83166
13 145182
14 249151
15 417432
16 688742
17 1114978
18 1782228
19 2804886
20 4365560
21 6709074
22 10208894
23 15368870
24 22937184
25 33916388
26 49763175
27 72429396
28 104685554
29 150234266
30 214249998
31 303606838
32 427780502

[2,17,66,218,564,1407,3074,6536,12960,24991,46028,
 83166,145182,249151,417432,688742,1114978,1782228,
 2804886,4365560,6709074,10208894,15368870,
 22937184,33916388,49763175,72429396,104685554,
 150234266,214249998,303606838,427780502]

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 September 2 05:15 EDT 2024. Contains 375604 sequences. (Running on oeis4.)