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A261659 as a simple table

na(n)
21
33
45
535
633
7144
880
9137
10285
11363
12387
13351
14204
15935
16225
17241
18289
19665
201210
21310
22710
23324
24327
25685
26945
27749
28805
29479
302091
311260
321169
33628
342156
35654
362355
371827
381545
392181
401499
41761
423126
431575
442364
451770
461452
471455
482827
491739
503390
514641

[1,3,5,35,33,144,80,137,285,363,387,351,204,935,
 225,241,289,665,1210,310,710,324,327,685,945,749,
 805,479,2091,1260,1169,628,2156,654,2355,1827,
 1545,2181,1499,761,3126,1575,2364,1770,1452,1455,
 2827,1739,3390,4641]