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”).

A153321 as a simple table

na(n)
17
211
313
417
541
683
7109
8127
9151
10193
11223
12409
13619
14673
15701
16769
17809
18839
191439
201571
211693
221721
232311
242593
252659
262741
272969
283037
293041
303221
313331
323343
333389
343727
353767
363833
374703
384733
394861
404871
414931
425167
435209
445261
455387
465393
475407

[7,11,13,17,41,83,109,127,151,193,223,409,619,673,
 701,769,809,839,1439,1571,1693,1721,2311,2593,
 2659,2741,2969,3037,3041,3221,3331,3343,3389,3727,
 3767,3833,4703,4733,4861,4871,4931,5167,5209,5261,
 5387,5393,5407]