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A281377 as a simple table

na(n)
11
23
31
423
521
619
717
815
913
1011
119
127
135
143
151
16735
17733
18731
19729
20727
21725
22723
23721
24719
25717
26715
27713
28711
29709
30707
31705
321343
331341
341339
351337
361335
371333
381331
391329
401327
411325
421323
431321
441319
451317
461315
471313
481311
491309
501307
511305
521303
531301
541299
551297
561295
571293

[1,3,1,23,21,19,17,15,13,11,9,7,5,3,1,735,733,731,
 729,727,725,723,721,719,717,715,713,711,709,707,
 705,1343,1341,1339,1337,1335,1333,1331,1329,1327,
 1325,1323,1321,1319,1317,1315,1313,1311,1309,1307,
 1305,1303,1301,1299,1297,1295,1293]