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!)

A131945 as a simple table

n a(n)
0 1
1 1
2 2
3 2
4 4
5 5
6 8
7 10
8 15
9 18
10 26
11 32
12 45
13 55
14 74
15 90
16 119
17 145
18 188
19 228
20 291
21 351
22 442
23 532
24 664
25 796
26 982
27 1172
28 1435
29 1708
30 2076
31 2462
32 2972
33 3512
34 4214
35 4966
36 5929
37 6965
38 8272
39 9688
40 11457
41 13383
42 15762
43 18362
44 21543
45 25031
46 29264
47 33922
48 39533
49 45717

[1,1,2,2,4,5,8,10,15,18,26,32,45,55,74,90,119,145,
 188,228,291,351,442,532,664,796,982,1172,1435,
 1708,2076,2462,2972,3512,4214,4966,5929,6965,8272,
 9688,11457,13383,15762,18362,21543,25031,29264,
 33922,39533,45717]

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 11:46 EDT 2024. Contains 371241 sequences. (Running on oeis4.)