login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


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

A015755 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 2
5 3
6 4
7 5
8 5
9 7
10 9
11 10
12 13
13 15
14 18
15 22
16 27
17 31
18 37
19 44
20 51
21 61
22 71
23 82
24 95
25 111
26 128
27 148
28 171
29 195
30 225
31 258
32 295
33 337
34 384
35 437
36 497
37 565
38 639
39 724
40 818
41 923
42 1042
43 1173
44 1319
45 1483
46 1665
47 1866
48 2092
49 2341
50 2616
51 2924
52 3263
53 3637
54 4053
55 4512
56 5016

[1,1,1,2,2,3,4,5,5,7,9,10,13,15,18,22,27,31,37,44,
 51,61,71,82,95,111,128,148,171,195,225,258,295,
 337,384,437,497,565,639,724,818,923,1042,1173,
 1319,1483,1665,1866,2092,2341,2616,2924,3263,3637,
 4053,4512,5016]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 14 21:27 EDT 2021. Contains 345041 sequences. (Running on oeis4.)