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!)

A005228 as a simple table

n a(n)
1 1
2 3
3 7
4 12
5 18
6 26
7 35
8 45
9 56
10 69
11 83
12 98
13 114
14 131
15 150
16 170
17 191
18 213
19 236
20 260
21 285
22 312
23 340
24 369
25 399
26 430
27 462
28 495
29 529
30 565
31 602
32 640
33 679
34 719
35 760
36 802
37 845
38 889
39 935
40 982
41 1030
42 1079
43 1129
44 1180
45 1232
46 1285
47 1339
48 1394
49 1451
50 1509
51 1568
52 1628
53 1689

[1,3,7,12,18,26,35,45,56,69,83,98,114,131,150,170,
 191,213,236,260,285,312,340,369,399,430,462,495,
 529,565,602,640,679,719,760,802,845,889,935,982,
 1030,1079,1129,1180,1232,1285,1339,1394,1451,1509,
 1568,1628,1689]

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 24 19:39 EDT 2024. Contains 371963 sequences. (Running on oeis4.)