login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 


A139813 as a simple table

na(n)
11
22
32
42
52
62
72
86
96
102
112
128
136
148
152
162
1710
1820
1920
2010
212
222
2312
2430
2520
2630
2712
282
292
3014
3142
3270
3370
3442
3514
362
372
3816
3956
40112
4170
42112
4356
4416
452
462
4718
4872
49168
50252
51252
52168
5372
5418
552
562
5720
5890
59240
60420
61252
62420
63240
6490
6520
662

[1,2,2,2,2,2,2,6,6,2,2,8,6,8,2,2,10,20,20,10,2,2,
 12,30,20,30,12,2,2,14,42,70,70,42,14,2,2,16,56,
 112,70,112,56,16,2,2,18,72,168,252,252,168,72,18,
 2,2,20,90,240,420,252,420,240,90,20,2]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | 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 September 21 19:38 EDT 2024. Contains 376089 sequences. (Running on oeis4.)