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!)

A321990 as a simple table

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 11
11 21
12 22
13 31
14 41
15 51
16 61
17 71
18 81
19 91
20 111
21 211
22 221
23 311
24 411
25 511
26 611
27 711
28 811
29 911
30 1111
31 2111
32 2211
33 2412
34 3111
35 3313
36 4111
37 4212
38 5111
39 6111
40 6213
41 7111
42 8111
43 8214
44 9111
45 11111
46 21111
47 22111
48 22212
49 24112
50 24121
51 28128
52 28144

[1,2,3,4,5,6,7,8,9,11,21,22,31,41,51,61,71,81,91,
 111,211,221,311,411,511,611,711,811,911,1111,2111,
 2211,2412,3111,3313,4111,4212,5111,6111,6213,7111,
 8111,8214,9111,11111,21111,22111,22212,24112,
 24121,28128,28144]

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 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)