login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A156838 as a simple table

na(n)
11
23
33
47
53
613
73
817
911
1017
113
1251
133
1421
1537
1655
173
1883
193
20113
2163
2229
233
24271
2575
2633
27103
28223
293
30453
313
32329
33139
3441
35427
36897
373
3845
39189
401265
413
421267
433
44651
451277
4653
473
482943
49929
501571
51313
521001
533
543147
552009
564843
57387
5865
593
609159
613
6269
636541
645459
653647
666753
673
682053
69559
7015299
713
7225677
733
7481

[1,3,3,7,3,13,3,17,11,17,3,51,3,21,37,55,3,83,3,
 113,63,29,3,271,75,33,103,223,3,453,3,329,139,41,
 427,897,3,45,189,1265,3,1267,3,651,1277,53,3,2943,
 929,1571,313,1001,3,3147,2009,4843,387,65,3,9159,
 3,69,6541,5459,3647,6753,3,2053,559,15299,3,25677,
 3,81]