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A064322 as a simple table

na(n)
00
11
221
3231
41540
57260
626796
782621
8222111
9536130
101186570
112445366
124747821
138763391
1415487395
1526357430
1643398586
1769401871
18108140571
19164629585
20245433090
21359026206
22516216646
23730632651
241019283825
251403201800
261908167976
272565535896
283413156131

[0,1,21,231,1540,7260,26796,82621,222111,536130,
 1186570,2445366,4747821,8763391,15487395,26357430,
 43398586,69401871,108140571,164629585,245433090,
 359026206,516216646,730632651,1019283825,
 1403201800,1908167976,2565535896,3413156131]