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A272809型作为一个简单的表

n个a(n)
01
15
213
21
433
537
669
753
8117
981
10153
11101
12225
13137
14281
15173
16365
17233
18445
19293
20541
21401
22685
23417
24809
25461
26857
27637
28913
29845
301025
31865
321193
331029
341401
351097
361489
371313
381629
391425
401821
411601
422097
431605
442325
452021
462341
472093
482581
492329

[1,5,13,21,33,37,69,53,117,81,153,101,225,137,281,173,365,233,445,293,541,401,685,417,809,461,857,637,913,845,1025,865,1193,1029,1401,1097,1489,1313,1629,1425,1821,1601,2097,1605,2325,2021,2341,2093,2581,2329]