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A261919 as a simple table

na(n)
01
10
20
31
43
511
662
7510
87459
9197867
109808968
11902893994
12153723380584
1348443158427276
1428363698856991892
1530996526139142442460
1663502034434187094606966
17244852545450108200518282934
181783161611521019613186341526720
1924603891216946828886755056314074748

[1,0,0,1,3,11,62,510,7459,197867,9808968,
 902893994,153723380584,48443158427276,
 28363698856991892,30996526139142442460,
 63502034434187094606966,
 244852545450108200518282934,
 1783161611521019613186341526720,
 24603891216946828886755056314074748]