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”).

A086387 as a simple table

na(n)
03
15
22
35
43
55
67
73
82
93
102
113
123
133
142
157
165
172
187
193
203
217
225
235
242
257
265
272
283
297
302
312
322
333
342

[3,5,2,5,3,5,7,3,2,3,2,3,3,3,2,7,5,2,7,3,3,7,5,5,
 2,7,5,2,3,7,2,2,2,3,2]