login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A284104 as a simple table

na(n)
10
20
30
40
55
60
70
80
90
105
1111
120
130
140
155
160
1717
180
190
205
210
2211
2323
240
255
260
270
280
2929
305
310
320
3311
3417
3540
360
370
380
390
405
4141
420
430
4411
455
4623
4747
480
490
505
5117
520
5353
540
5516
560
570
5829
5959
605
610
620
630
640
6570
6611
670
6817
6923
7040
7171
720
730
740
755
760
7788
780
790
805

[0,0,0,0,5,0,0,0,0,5,11,0,0,0,5,0,17,0,0,5,0,11,
 23,0,5,0,0,0,29,5,0,0,11,17,40,0,0,0,0,5,41,0,0,
 11,5,23,47,0,0,5,17,0,53,0,16,0,0,29,59,5,0,0,0,0,
 70,11,0,17,23,40,71,0,0,0,5,0,88,0,0,5]