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!)

A143290 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 1
13 2
14 3
15 4
16 5
17 6
18 7
19 8
20 9
21 10
22 11
23 13
24 17
25 23
26 31
27 41
28 53
29 67
30 83
31 101
32 121
33 143
34 168
35 198
36 236
37 285
38 348
39 428
40 528
41 651
42 800
43 978
44 1188
45 1434
46 1722
47 2061
48 2464
49 2948
50 3534
51 4247
52 5116
53 6174
54 7458
55 9009
56 10873
57 13103
58 15762
59 18927

[0,0,0,0,0,0,0,0,0,0,0,0,1,2,3,4,5,6,7,8,9,10,11,
 13,17,23,31,41,53,67,83,101,121,143,168,198,236,
 285,348,428,528,651,800,978,1188,1434,1722,2061,
 2464,2948,3534,4247,5116,6174,7458,9009,10873,
 13103,15762,18927]

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 March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)