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”).

A035641 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
111
120
130
140
150
161
173
180
190
200
211
223
236
240
250
261
273
287
2911
300
311
323
337
3414
3518
361
373
387
3915
4025
4130
423
437
4415
4528
4644
4747
487
4915
5029
5151
5272
5373
5415
5529
5654
5787
58116
59111
6029
6155
6294
63144
64180
65167
6655
6797
68159
69230
70276
71249
7298
73166
74259
75360

[0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,3,0,0,0,1,3,6,0,
 0,1,3,7,11,0,1,3,7,14,18,1,3,7,15,25,30,3,7,15,28,
 44,47,7,15,29,51,72,73,15,29,54,87,116,111,29,55,
 94,144,180,167,55,97,159,230,276,249,98,166,259,
 360]