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A219226 as a simple table

na(n)
00
11
22
33
46
513
629
765
8147
9337
10785
111857
124452
1310789
1426365
1564833
16160167
17397025
18986593
192456193
206123726
2115286021
2238198573
2395555937
24239294222
25599914489
261505750425
273783967201
289521244242
2923988787485
3060520345765
31152889244033
32386752047956

[0,1,2,3,6,13,29,65,147,337,785,1857,4452,10789,
 26365,64833,160167,397025,986593,2456193,6123726,
 15286021,38198573,95555937,239294222,599914489,
 1505750425,3783967201,9521244242,23988787485,
 60520345765,152889244033,386752047956]