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!)

A215981 as a simple table

n a(n)
1 1
2 1
3 2
4 3
5 4
6 7
7 12
8 24
9 48
10 107
11 236
12 552
13 1302
14 3160
15 7742
16 19321
17 48630
18 123868
19 317956
20 823066
21 2144506
22 5623757
23 14828075
24 39299898
25 104636891
26 279793451
27 751065461
28 2023443033
29 5469566586
30 14830871803
31 40330829031
32 109972410222
33 300628862481

[1,1,2,3,4,7,12,24,48,107,236,552,1302,3160,7742,
 19321,48630,123868,317956,823066,2144506,5623757,
 14828075,39299898,104636891,279793451,751065461,
 2023443033,5469566586,14830871803,40330829031,
 109972410222,300628862481]

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 March 28 14:02 EDT 2024. Contains 371254 sequences. (Running on oeis4.)