The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)

A075221 as a simple table

n a(n)
1 1
2 1
3 1
4 3
5 4
6 12
7 21
8 56
9 111
10 262
11 462
12 1453
13 1875
14 4734
15 9410
16 20603
17 24034
18 79352
19 79925
20 273731
21 358096
22 669640
23 796571
24 3342349
25 2980476
26 6387513
27 10167660
28 24999509
29 21477012
30 87978317

[1,1,1,3,4,12,21,56,111,262,462,1453,1875,4734,
 9410,20603,24034,79352,79925,273731,358096,669640,
 796571,3342349,2980476,6387513,10167660,24999509,
 21477012,87978317]

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 June 16 07:04 EDT 2024. Contains 373423 sequences. (Running on oeis4.)