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A290993 as a simple table

na(n)
00
10
20
30
40
51
66
721
856
9126
10252
11463
12804
131365
142366
154368
168736
1718565
1840410
1987381
20184604
21379050
22758100
231486675
242884776
255592405
2610919090
2721572460
2843144920
2987087001
30176565486
31357913941
32723002336
331453179126
342906358252
355791193143

[0,0,0,0,0,1,6,21,56,126,252,463,804,1365,2366,
 4368,8736,18565,40410,87381,184604,379050,758100,
 1486675,2884776,5592405,10919090,21572460,
 43144920,87087001,176565486,357913941,723002336,
 1453179126,2906358252,5791193143]