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!)

A170890 as a simple table

n a(n)
0 0
1 1
2 2
3 4
4 7
5 10
6 14
7 21
8 29
9 37
10 43
11 53
12 61
13 71
14 83
15 103
16 123
17 139
18 151
19 165
20 173
21 183
22 195
23 215
24 235
25 253
26 271
27 295
28 317
29 345
30 385
31 441
32 493
33 531
34 559
35 581
36 589
37 599
38 611
39 631
40 651
41 669
42 687
43 711
44 733
45 761
46 801
47 857
48 909
49 949
50 983
51 1015
52 1037
53 1065
54 1105
55 1161

[0,1,2,4,7,10,14,21,29,37,43,53,61,71,83,103,123,
 139,151,165,173,183,195,215,235,253,271,295,317,
 345,385,441,493,531,559,581,589,599,611,631,651,
 669,687,711,733,761,801,857,909,949,983,1015,1037,
 1065,1105,1161]

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 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)