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A246653 as a simple table

na(n)
01
11
23
39
425
587
6287
7993
83519
912525
1045369
11165519
12608569
132253307
148386575
1531370297
16117834837
17444258387
181680516731
196375706325
2024253227159
2192481509389
22353417696625
231353280137975
245191349266275
2519948136148837
2676771074483837
27295880290515411
281141860205058433
294412129801125275

[1,1,3,9,25,87,287,993,3519,12525,45369,165519,
 608569,2253307,8386575,31370297,117834837,
 444258387,1680516731,6375706325,24253227159,
 92481509389,353417696625,1353280137975,
 5191349266275,19948136148837,76771074483837,
 295880290515411,1141860205058433,4412129801125275]