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!)

A271941 as a simple table

n a(n)
2 1
3 2
4 5
5 13
6 36
7 105
8 317
9 979
10 3070
11 9731
12 31090
13 99940
14 322832
15 1047007
16 3407017
17 11118165
18 36370984
19 119234791
20 391620238
21 1288394790
22 4244993865
23 14005026856
24 46260856498
25 152974164616
26 506355410344
27 1677603452621
28 5562725698010
29 18459595624048
30 61301038293810
31 203705244194997

[1,2,5,13,36,105,317,979,3070,9731,31090,99940,
 322832,1047007,3407017,11118165,36370984,
 119234791,391620238,1288394790,4244993865,
 14005026856,46260856498,152974164616,506355410344,
 1677603452621,5562725698010,18459595624048,
 61301038293810,203705244194997]

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 19 11:30 EDT 2024. Contains 371791 sequences. (Running on oeis4.)