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A052709 as a simple table

na(n)
00
11
21
33
49
531
6113
7431
81697
96847
1028161
11117631
12497665
132128127
149183489
1539940863
16174897665
17770452479
183411959809
1915181264895
2067833868289
21304256253951
221369404661761
236182858317823
2427995941060609
25127100310290431
26578433619525633
272638370120138751

[0,1,1,3,9,31,113,431,1697,6847,28161,117631,
 497665,2128127,9183489,39940863,174897665,
 770452479,3411959809,15181264895,67833868289,
 304256253951,1369404661761,6182858317823,
 27995941060609,127100310290431,578433619525633,
 2638370120138751]