login

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

A089726 as a simple table

na(n)
13
27
313
429
531
643
771
873
9109
10131
11199
12157
13313
14211
15241
16337
17307
18379
19419
20421
21463
22617
23599
24601
25701
26859
27757
28953
29929
30991
311117
321153
331123
341259
351471
361549
371481
381483
391873
401721
411723
421933
431979
442069
452161
462347
472351
482593
492549
502551

[3,7,13,29,31,43,71,73,109,131,199,157,313,211,
 241,337,307,379,419,421,463,617,599,601,701,859,
 757,953,929,991,1117,1153,1123,1259,1471,1549,
 1481,1483,1873,1721,1723,1933,1979,2069,2161,2347,
 2351,2593,2549,2551]