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!)

A002620 as a simple table

n a(n)
0 0
1 0
2 1
3 2
4 4
5 6
6 9
7 12
8 16
9 20
10 25
11 30
12 36
13 42
14 49
15 56
16 64
17 72
18 81
19 90
20 100
21 110
22 121
23 132
24 144
25 156
26 169
27 182
28 196
29 210
30 225
31 240
32 256
33 272
34 289
35 306
36 324
37 342
38 361
39 380
40 400
41 420
42 441
43 462
44 484
45 506
46 529
47 552
48 576
49 600
50 625
51 650
52 676
53 702
54 729
55 756
56 784
57 812

[0,0,1,2,4,6,9,12,16,20,25,30,36,42,49,56,64,72,
 81,90,100,110,121,132,144,156,169,182,196,210,225,
 240,256,272,289,306,324,342,361,380,400,420,441,
 462,484,506,529,552,576,600,625,650,676,702,729,
 756,784,812]

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 30 20:43 EDT 2024. Contains 372141 sequences. (Running on oeis4.)