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A293064 as a simple table

na(n)
00
10
20
31
44
512
633
788
8232
9609
101596
114180
1210945
1328656
1475024
15196417
16514228
171346268
183524577
199227464
2024157816
2163245985
22165580140
23433494436
241134903169
252971215072
267778742048
2720365011073
2853316291172
29139583862444
30365435296161
31956722026040

[0,0,0,1,4,12,33,88,232,609,1596,4180,10945,28656,
 75024,196417,514228,1346268,3524577,9227464,
 24157816,63245985,165580140,433494436,1134903169,
 2971215072,7778742048,20365011073,53316291172,
 139583862444,365435296161,956722026040]