login

A217781 as a simple table

na(n)
11
21
31
42
51
61
74
83
91
101
119
126
133
141
151
1620
1716
187
194
201
211
2248
2337
2418
259
264
271
281
29115
3096
3144
3228
3310
345
351
361
37286
38239
39117
4071
4132
4213
435
441
451
46719
47622
48299
49202
5089
5145
5214
536
541
551
561842
571607
58793
59542
60264
61130
6252
6317
646
651
661

[1,1,1,2,1,1,4,3,1,1,9,6,3,1,1,20,16,7,4,1,1,48,
 37,18,9,4,1,1,115,96,44,28,10,5,1,1,286,239,117,
 71,32,13,5,1,1,719,622,299,202,89,45,14,6,1,1,
 1842,1607,793,542,264,130,52,17,6,1,1]