login

A280851 as a simple table

na(n)
11
23
32
42
57
63
73
811
91
104
114
1215
135
143
155
169
179
186
196
2023
215
227
237
2412
2512
268
277
281
298
3031
319
329
3335
342
352
3610
3710
3839
393
4011
415
425
4311
4418
4518
4612
4712
4847
4913
5013
515
5213
5321
5421
5514
566
576
5814
5955
601
6115
6215
6359
643
657
663
6716
6816
6963
7017
717
727
7317
7427
7527
7618
779
783
7918
8071
8110
8210
8319
8419
8530
8630

[1,3,2,2,7,3,3,11,1,4,4,15,5,3,5,9,9,6,6,23,5,7,7,
 12,12,8,7,1,8,31,9,9,35,2,2,10,10,39,3,11,5,5,11,
 18,18,12,12,47,13,13,5,13,21,21,14,6,6,14,55,1,15,
 15,59,3,7,3,16,16,63,17,7,7,17,27,27,18,9,3,18,71,
 10,10,19,19,30,30]