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!)

A195020 as a simple table

n a(n)
0 0
1 3
2 7
3 13
4 21
5 30
6 42
7 54
8 70
9 85
10 105
11 123
12 147
13 168
14 196
15 220
16 252
17 279
18 315
19 345
20 385
21 418
22 462
23 498
24 546
25 585
26 637
27 679
28 735
29 780
30 840
31 888
32 952
33 1003
34 1071
35 1125
36 1197
37 1254
38 1330
39 1390
40 1470
41 1533
42 1617
43 1683
44 1771
45 1840
46 1932
47 2004
48 2100

[0,3,7,13,21,30,42,54,70,85,105,123,147,168,196,
 220,252,279,315,345,385,418,462,498,546,585,637,
 679,735,780,840,888,952,1003,1071,1125,1197,1254,
 1330,1390,1470,1533,1617,1683,1771,1840,1932,2004,
 2100]

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 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)