login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A113168 as a simple table

n a(n)
1 0
2 1
3 3
4 6
5 10
6 15
7 21
8 28
9 36
10 45
11 47
12 51
13 57
14 65
15 75
16 87
17 101
18 117
19 135
20 137
21 140
22 144
23 149
24 155
25 162
26 170
27 179
28 189
29 200
30 204
31 209
32 215
33 222
34 230
35 239
36 249
37 260
38 272
39 285
40 291
41 298
42 306
43 315
44 325
45 336
46 348
47 361
48 375
49 390
50 398
51 407
52 417
53 428
54 440
55 453
56 467
57 482
58 498

[0,1,3,6,10,15,21,28,36,45,47,51,57,65,75,87,101,
 117,135,137,140,144,149,155,162,170,179,189,200,
 204,209,215,222,230,239,249,260,272,285,291,298,
 306,315,325,336,348,361,375,390,398,407,417,428,
 440,453,467,482,498]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | 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 September 19 17:13 EDT 2024. Contains 376014 sequences. (Running on oeis4.)