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A066810 as a simple table

na(n)
00
10
21
37
433
5131
6473
71611
85281
916867
1052905
11163835
12502769
131532883
144651897
1514070379
1642456897
17127894979
18384799049
191156756443
203475250065
2110436235955
2231330727961
2394038321227
24282211432673
25846835624611

[0,0,1,7,33,131,473,1611,5281,16867,52905,163835,
 502769,1532883,4651897,14070379,42456897,
 127894979,384799049,1156756443,3475250065,
 10436235955,31330727961,94038321227,282211432673,
 846835624611]