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A210337 as a simple table

na(n)
00
11
23
39
417
549
6153
7281
8665
91433
103225
117705
1217945
1347641
1464025
15129561
16293401
17752153
181341977
192914841
206421017
2114547481
2233421849
2371170585
24138279449
25247331353
26645790233
271182661145
282558392857
295779618329
3011685198361
3123496358425

[0,1,3,9,17,49,153,281,665,1433,3225,7705,17945,
 47641,64025,129561,293401,752153,1341977,2914841,
 6421017,14547481,33421849,71170585,138279449,
 247331353,645790233,1182661145,2558392857,
 5779618329,11685198361,23496358425]