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”).

A238445 as a simple table

na(n)
13
213
361
4103
5193
6199
7307
8431
9569
10977
111201
121451
131481
141609
151669
161889
172371
182381
192711
202819
213083
223469
234289
244337
254567
265231
275501
286733
297043
307253
317351
327549
338707
349257
359497
3610039
3710687
3811491
3912227
4012517
4112941
4213397

[3,13,61,103,193,199,307,431,569,977,1201,1451,
 1481,1609,1669,1889,2371,2381,2711,2819,3083,3469,
 4289,4337,4567,5231,5501,6733,7043,7253,7351,7549,
 8707,9257,9497,10039,10687,11491,12227,12517,
 12941,13397]