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!)

A027920 as a simple table

n a(n)
4 3
5 6
6 10
7 15
8 20
9 26
10 33
11 40
12 49
13 58
14 68
15 78
16 90
17 102
18 115
19 129
20 143
21 158
22 174
23 191
24 208
25 227
26 246
27 265
28 286
29 307
30 329
31 352
32 376
33 400
34 425
35 451
36 477
37 505
38 533
39 562
40 591
41 622
42 653
43 685
44 717
45 751
46 785
47 820
48 856
49 892
50 929
51 967
52 1006
53 1046
54 1086
55 1127
56 1169
57 1211

[3,6,10,15,20,26,33,40,49,58,68,78,90,102,115,129,
 143,158,174,191,208,227,246,265,286,307,329,352,
 376,400,425,451,477,505,533,562,591,622,653,685,
 717,751,785,820,856,892,929,967,1006,1046,1086,
 1127,1169,1211]

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 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)