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A085507 as a simple table

na(n)
00
10
21
34
413
541
6136
7505
82171
910693
1058246
11340242
122095435
1313492077
1490267633
15623383765
164414350135
1731899350954
18235002008725
191773013299342
2013855253098226
21114135759054965
221010686200326760
239744658443894282
24102153128291263124
251147158516520205256

[0,0,1,4,13,41,136,505,2171,10693,58246,340242,
 2095435,13492077,90267633,623383765,4414350135,
 31899350954,235002008725,1773013299342,
 13855253098226,114135759054965,1010686200326760,
 9744658443894282,102153128291263124,
 1147158516520205256]