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A056005 as a simple table

na(n)
00
10
20
32
419
590
6302
7820
81926
94068
107920
1114454
1225025
1341470
1466222
15102440
16154156
17226440
18325584
19459306
20636975
21869858
221171390
231557468
242046770
252661100
263425760
274369950
285527197
296935814
308639390
3110687312
3213135320
3316046096
3419489888

[0,0,0,2,19,90,302,820,1926,4068,7920,14454,25025,
 41470,66222,102440,154156,226440,325584,459306,
 636975,869858,1171390,1557468,2046770,2661100,
 3425760,4369950,5527197,6935814,8639390,10687312,
 13135320,16046096,19489888]